What the Screaming O DoubleO 8 is
The DoubleO 8 is a reusable vibrating double ring from Screaming O — two joined stretch rings with a vertical, nub-covered vibrator arm standing up from the point where they meet. The package marks it one size fits most, waterproof, and made of SEBS silicone, and it arrives with AG13 batteries already fitted, a spare set of replacements, and a Toy Keeper storage case. It is a battery-powered novelty device, not a consumable, and it is one of the simpler pieces in our vibrators range: there is no charging port, no app and no control panel to learn.
How it is built
The whole body is a single molded piece of stretch elastomer, which is what makes the shape work. Two rings of different diameters sit nested together, joined where the vibrator arm rises off them; the package labels them plainly — one for the shaft, one for the testicles. Because the two rings are formed as one part rather than clipped together, there is no hinge or joint to work loose.
The arm is what gives the toy its name and its character. Rather than lying flat along the ring the way most vibrating rings do, it stands vertically off the ring pair. Its outward face is covered in rows of soft molded nubs, denser along the center line and tapering toward the rounded tip.
Inside that arm sits a removable bullet motor, visible through the translucent body as a smooth capsule with a dark band crossing it partway up. The bullet is the part the batteries serve, and Screaming O prints the battery life on the front of the card: 80+ minutes.
Product Specifications
Product Specifications — Screaming O DoubleO 8 Vibrating Double Ring
| Feature / Property | Details |
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| Brand | Screaming O |
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| Model | DoubleO 8 |
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| Format | Vibrating double ring with a vertical vibrator arm |
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| Material (as marked) | SEBS silicone |
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| Free from (as marked) | Phthalates and latex |
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| Water exposure | Marked waterproof on the package |
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| Battery life (as marked) | 80+ minutes |
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| Batteries | AG13, fitted on arrival, with a replacement set included |
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| Motor | Single removable bullet, housed in the vibrator arm |
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| Reuse | Marked reusable on the package |
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| Fit | One size fits most |
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| Also in the pack | Toy Keeper storage case |
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How to use it
Stretch the wider ring over the shaft and the second ring around the testicles, with the vibrator arm sitting upward along the front. The elastomer is designed to stretch a long way and return, so work it on gently rather than forcing it, and switch it on once it is in place. A little water-based lubricant on the inner faces of both rings makes putting it on and taking it off easier.
When the batteries fade, replace them — the pack is explicit that the cells are replaceable and includes a spare set of AG13s for exactly that, so follow the instructions printed on the packaging for changing them. Take the ring off when you are done with it rather than leaving it on, which is ordinary practice with any constricting ring.
Care and cleaning
Wash the DoubleO 8 with warm water and a mild, unscented soap before the first use and after every use, paying attention to the gaps between the nubs where residue collects. The package carries a waterproof mark, so rinsing the whole piece under running water is fine; dry it fully before it goes back in the Toy Keeper case. Use a water-based lubricant with it and skip silicone-based ones, which are the usual cause of a tacky or degraded surface on soft elastomer toys. Store it away from direct sunlight and away from other toys made of soft plastic.
Who it is for
This one suits a buyer who wants a vibrating ring that does one thing well and costs little to keep going. The replaceable-battery design is the practical argument: nothing has to be charged, and when the cells run down you change them instead of retiring the toy. That also makes it a reasonable first purchase for someone browsing men's toys for the first time, because there is very little to get wrong and no expensive commitment if it turns out not to suit.
It is intended for adults 18 and over. One size fits most is the manufacturer's own marking, not a promise about any particular body; anyone who finds a ring style uncomfortable will find this one uncomfortable too, and the honest answer there is that ring toys are not universal.
Good to know
No Proposition 65 warning is printed on this package. California's rules on chemical warnings cover a wide range of molded consumer goods, and the state's Office of Environmental Health Hazard Assessment publishes general background on what Proposition 65 warnings mean and on the individual chemicals they refer to if you want to read about the scheme itself.
Remove the ring if you notice discomfort, numbness or any change in skin color, and do not use it while asleep or after drinking heavily. Keep it out of reach of children — the bullet and the batteries are both small enough to be a swallowing hazard, and button cells in particular are dangerous if swallowed. If you have a medical condition or take prescription medication, speak to a licensed healthcare professional before using any constricting device.
Frequently Asked Questions
What is the DoubleO 8 made of?
The package marks the DoubleO 8 as made of SEBS silicone and free of phthalates and latex. SEBS is a soft, stretchy thermoplastic elastomer used widely for molded goods that need to flex and recover without tearing, which is what lets both rings stretch and return to shape. No other material is named on the packaging.
Does the DoubleO 8 come with batteries, and can they be replaced?
Yes — it arrives with AG13 batteries already fitted and a spare set included in the pack. That is the point of the design: the bullet motor comes out of its sleeve so the cells can be swapped, rather than being sealed in. The card states 80+ minutes of battery life.
Can the DoubleO 8 get wet?
Yes, the package carries a waterproof mark, so it can be rinsed under running water for cleaning. Wash it with warm water and a mild unscented soap, work the suds into the textured face where residue collects between the nubs, and dry it completely before storing it.
Which lubricant should I use with it?
Use a water-based lubricant. Silicone-based lubricants can break down the surface of soft elastomer toys over time, leaving them tacky, so water-based is the safe default with this material. Oil-based products are also worth avoiding, both for the toy and for any condom used alongside it.
How will my order be packaged?
Every order ships discreetly in plain outer packaging. It will not show the Gear Isle name. You can browse the rest of our adult toys range knowing every order is sent the same way.
Product information compiled and reviewed by the Gear Isle product team. We transcribe product specifications directly from manufacturer packaging. Found an error? Tell us.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Adult novelty device for adults 18 and over. Consult a licensed healthcare professional before use, especially if you have a medical condition. Keep out of reach of children.
