Screaming O Vibrating Bullet Hanging Dispenser of 20. The Screaming O Vibrating Bullets are perfectly portable and convenient mini stimulators with a powerful wireless motor that lets you bring it anywhere and use it any way you please. Its whisper-quiet motor and compact size make it incredibly versatile, and with the highest quality construction you can find on the market, you can rely on these mini vibes to hit the spot every time. Six bright, fun colors let you match each one to your mood and make them the ultimate sexcessory for every day and night. 6 Colors: Red, Blue, Pink, Purple, Silver. Uses replaceable AG13 Batteries, last up to 80 minutes. Waterproof.