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Union Black Silicone Cock Ring by Rocks Off

$74.99
$74.99

Dual-motor vibrating cock ring for couples. Synchronized vibrations target both partners with stretchy silicone construction and waterproof design.

Key Features:

Dual motors create synchronized vibrations both partners feel instantly

Body-safe silicone stretches comfortably while maintaining secure grip

Waterproof design enables shower and bath adventures without worry

One-button controls cycle through patterns without breaking intimate moments

Two strategically placed motors work together creating shared pleasure waves

Vendor: Rocks Off
SKU: CR-369-NOATTRIBUTES-SHOP-NONE-38805
Availability: In stock
Product type: Cock Rings
Please hurry! Only 2 left in stock

Union Black Silicone Cock Ring by Rocks Off is a dual-motor vibrating cock ring designed for couples who want to share intense stimulation together. Two strategically placed motors create synchronized vibrations that both partners feel during sex. It stretches comfortably while maintaining a secure grip throughout.

Specs at a glance
  • Material: Body-safe silicone, waterproof and stretchy for secure comfortable wear
  • Dimensions: 4.5 cm length, 2.5 cm width, 1.5 cm height when fitted
  • Motor configuration: Dual motors delivering synchronized vibrations to both partners simultaneously
  • Power source: USB rechargeable battery, no replaceable cells required
  • Controls: Single-button operation cycles through vibration patterns during use
  • Colour: Black silicone construction with integrated motor components
🚚 Fast, tracked Australian shipping🔒 Plain, discreet packaging & billing✅ Genuine brands, backed by warranty💬 Product & sizing help whenever you need it

A closer look

Union Black Silicone Cock Ring by Rocks Off combines dual-motor technology with body-safe silicone to create shared pleasure during partnered sex. The ring stretches to fit comfortably whilst two internal motors work in synchronisation, sending vibrations through both partners at once. Unlike standard cock rings, this design prioritises mutual stimulation rather than solo intensity.

The silicone construction provides enough stretch for a secure fit without constricting blood flow. Waterproof engineering means the ring works in the shower or bath. USB charging eliminates the frustration of dead batteries interrupting a session, and the single-button interface keeps operation simple even during sex.

The features that matter

  • Synchronised dual motors: Two motors pulse together, creating waves of vibration that both partners feel rather than competing sensations that confuse the experience.
  • Body-safe silicone: Stretchy yet durable material grips securely whilst maintaining natural blood flow, comfortable enough for extended wear during sex.
  • Waterproof design: Fully sealed construction allows use in water without damage, expanding where and when you can play.
  • USB rechargeable: Built-in battery charges via USB port, removing the need to source replacement cells before important moments.
  • One-button control: Cycle through vibration patterns without fumbling or breaking concentration during sex.

The detail

  • Length: 4.5 cm (measured across the widest point of the ring)
  • Width: 2.5 cm (measured at the motor housing)
  • Height: 1.5 cm (depth when worn on the base of the penis)
  • Material: Medical-grade silicone, hypoallergenic and latex-free
  • Motors: Dual independent vibration units positioned to target both partners
  • Battery: Rechargeable lithium-ion, USB charging port on base
  • Waterproof rating: IPX7, fully submersible during use
  • Box contents: Ring, USB charging cable, storage pouch, instruction sheet

How to fit and wear a silicone cock ring

Fit the ring around the base of your penis when semi-erect or flaccid, as silicone stretches easily during application. Roll it slowly towards the base, ensuring both motors sit comfortably against your body and your partner's body during positioning. The ring should feel snug but not painful—blood should flow freely to maintain erection. If it feels too tight, remove it immediately and reposition.

During sex, the motors activate when you press the control button. Start with lower vibration patterns and increase intensity as desired. Leather Cock Rings require careful positioning due to their rigidity, whereas silicone stretches to fit both partners' bodies as you move together, which allows the motors to maintain contact with both of you throughout. After use, wash the ring thoroughly with soap and warm water, dry completely, and store in the included pouch away from direct heat.

Who should buy it

This ring suits couples who want mutual pleasure and are comfortable with straightforward vibration patterns during partnered sex.

Great if you…
  • Want your partner to feel intense sensations during penetration, not just receive them passively
  • Prefer simple one-button controls over complicated remote systems or multiple settings
  • benefit waterproof construction and plan to use the ring in varied locations including wet environments
  • Appreciate stretchy materials that accommodate different body shapes without custom sizing
Maybe not if you…
  • Seek remote-control capability or the power dynamic of one partner controlling stimulation from a distance
  • Want customisable programs—this ring cycles through pre-set patterns only, not bespoke combinations
  • Prefer Spiked Cock Rings or textured designs, as smooth silicone delivers pure vibration without additional surface stimulation
Remove the ring immediately if you experience numbness, loss of colour in the penis or testicles, or persistent pain—these signs indicate restricted blood flow. Safety first. A constriction ring is not suitable if you have circulation problems, diabetes, a bleeding disorder or reduced sensation; never wear one for longer than the manufacturer states, and remove it immediately if it will not come off easily. This information is general in nature only and is not medical or professional advice; it does not account for your individual circumstances. Stop use and seek medical advice if you experience pain, numbness, swelling, discolouration, bleeding or persistent irritation.

Care and storage

Clean the ring after each use with warm soapy water and a soft cloth, paying attention to the motor housing seams where residue can collect. Rinse thoroughly and pat dry with a lint-free cloth before storing. Charge the battery monthly even if unused to maintain lithium-ion health. Store the ring in the provided pouch in a cool dark place, away from extreme heat or direct sunlight which can degrade silicone over time.

More on the subject

Dual-motor rings differ from single-motor designs in how vibrations distribute during coupled sex. Whereas one motor concentrates sensation at a single point, two motors create a fuller, more enveloping effect across both partners' bodies. For detailed information on how different cock ring types perform, read Cock Rings on the Adult Smart blog.

What to expect

by Andrew

The dual motors activate instantly when you press the button, with no delay between control and sensation. Vibration intensity feels stronger than single-motor rings because the two motors combine their output rather than competing. First-timers often underestimate how much their partner will feel—the synchronised vibrations travel through the silicone directly into both bodies during penetration, creating a shared sensation that intensifies with each movement.

Fitting takes practice the first time. The stretchy silicone rolls on easily, but positioning both motors correctly so they contact both partners' bodies requires a moment of adjustment before sex begins. Most people find the optimal fit within two or three uses and stop thinking about it after that.

Battery life averages two to three hours of continuous use at maximum intensity, longer at lower settings. The ring holds charge well between sessions if stored properly. Cleaning is straightforward—soap and water in the shower, dried immediately—with no special maintenance required beyond keeping the USB port clear of debris.

Wear time in a single session typically runs 20 to 40 minutes before the silicone begins to feel tighter as blood pools slightly. Removing the ring restores normal sensation within minutes. The waterproof design genuinely holds up to shower and bath use without degradation or battery issues.

How it compares

Feature Union Black (Dual Motor) Single-Motor Silicone Ring Remote-Control Vibrating Ring
Motor count Two independent motors One motor One motor with wireless remote
Partner stimulation Both partners feel vibrations simultaneously Wearer receives most sensation Both partners feel, but one controls
Control method Single button on ring body Single button on ring body Wireless remote device
Vibration patterns Pre-set cycles via button Pre-set cycles via button Variable control via remote
Waterproof rating IPX7 fully submersible IPX7 fully submersible IPX6 splash-resistant only
Battery type Rechargeable USB Rechargeable USB or replaceable Rechargeable USB plus remote battery
Best for Couples wanting mutual sensation without power dynamics Solo use or wearer-focused pleasure Partners who enjoy one controlling the other's experience

The bottom line

Shop Union Black Silicone Cock Ring by Rocks Off if you want intense shared vibrations that both you and your partner feel during sex. The dual-motor design, stretchy silicone build, and waterproof construction create a ring built for couples. Order it from Malechastity.com.au with discreet Australia-wide delivery. Discreet, Tracked Shipping Australia-Wide.

Malechastity.com.au ships with Australia Post. We ship from Sydney.

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.

Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.

Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.

Shipping Transit Times (Including Free Shipping)

Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..

1. Major City & Metro Areas (within Australia)

All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.

Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.

2. Rural Areas (within Australia)

All orders are generally processed on the same day the order was placed on business days before 12pm.

Generally, orders are processed and shipped the same day or next Business day.

Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.

International Shipping

The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping. 

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.

Please note in regards to all orders

– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.
– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.
– Orders may be delivered in separate shipments.
– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm
– When your order ships you will receive an email from us with a link to track your order.  If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.

Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.

We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.

Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.

Due to health and safety regulations, Maleshastity.com.au cannot resell any returned or exchanged products.

This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully. 

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.
If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.

Please remember it can take some time for your bank or credit card company to process and post the refund too.

Frequently Asked Questions

What is the Rocks Off Union Black and what type of vibrating ring is it?
A dual-motor vibrating cock ring, the Rocks Off Union Black delivers synchronized vibrations to both partners simultaneously during intimate moments. Two strategically placed motors work together rather than competing, creating waves of shared pleasure that build intensity for couples seeking mutual stimulation experiences.
How does the Rocks Off Union Black feel during intimate moments with your partner?
Powerful dual motors create vibrations you both feel instantly, turning every movement into building waves of intensity. The stretchy silicone grips securely without pinching while synchronized pulses flow between partners, creating a feedback loop of shared pleasure that grows stronger throughout your encounter.
Can the Rocks Off Union Black be used in wet environments like showers or baths?
Waterproof construction means the Rocks Off Union Black handles showers, baths, and any wet adventures without damage concerns. One-button operation stays simple even when things get steamy, letting you cycle through vibration patterns without breaking the moment or worrying about water exposure.
Who would benefit most from using the Rocks Off Union Black during intimate play?
Couples seeking mutual pleasure find the dual motors create shared sensations instantly, while guys who find single-motor rings too weak appreciate how two motors working together deliver deeper, more intense vibrations that both partners feel building throughout their passionate encounters together.
Where can you purchase the Rocks Off Union Black with discrete delivery in Australia?
Available now at MaleChastity.com.au with discrete shipping Australia-wide, ensuring your privacy while delivering dual-motor intensity directly to your door. Transform intimate moments with synchronized vibrations that you both feel, ready to experience shared pleasure like never before.

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Why Shop With Male Chastity Australia?

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We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.

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We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!