Butt Throb Black Vibrating anal sex toy, prostate stimulator is powered by the world famous Rocks Off RO-80mm with 7 speeds of vibration. Easy to insert tapered tip with flared base for easy removal. Butt Throb no buts, it is got to be Butt Throb! Feel completely fulfilled when this pleasure plug pulsates into action! Butt Throb brings a whole new element of anal amour with its 7 settings of pure erotic ecstasy. It is time to get cheeky and bring some delight to your derriere! <br /><br />Vibrating bullet is the original RO-80mm ammo style bullet from Rocks-Off. Can be used it without sleeve too. It is still the most powerful bullet in the world. With one touch operation and powerfully intense vibes, this discreet little pleasure bullet will have you weak at the knees. <br /><br />Size: vibrator sleeve approximately 3 inches by 1.75 inches. RO-80 measures 80mm x 16mm. Battery Type: 1.5 Volt N size / LR1. Battery Quantity: 1. Color Black. Waterproof. 7 speed. Details materials body safe Silicone. 7 throbbing settings for total satisfaction. 100% waterproof with battery included. 3 inches insert-able length and 1.75 inches diameter. + Size N Battery Plus side goes toward the bullet. Diagram found on the back of product shows proper placement. <br /><br />How to use: instructions included in 12 languages. Remove the isolator disc before use. Press button on the end to turn on and change functions. Hold button for 3 seconds to turn off. Waterproof. Battery included. 7 Speed. Product validation and guaranteed booklet inside including translations for CN, CZ, CR, DE, FR, IT, NL, PL, RU, ES. Please keep packaging for further reference.