Best back door buzz! Experience ultimate pleasure with Back 9, the flexible silicone vibrator featuring a series of graduated beads. Play as little or as much as you want with 9 powerful vibrating functions. Stimulate his or her backdoor with a fun toy designed just for this area. The backdoor is full of pleasurable nerve endings that are stimulated with you use a wand with beads...especially upon insertion and removal. This can be a really erotic and sensational experience. (Try slowing sliding these out when he/she is orgasming for extra pleasure) You can also use these during foreplay to warm up the backdoor for different types of penetration like pegging or training. Prostate owners love the excitement of finding their P spot with these. Features: Graduated beads let you go at your own pace Single-button control for seamless pleasure adjustments Pairs well with the Silicone with Vitamin E lubricant on this site Specifications: 9 Functions: 3 speeds & 6 pulsing patterns Power: Rechargeable PureCharge USB Cord A (included) Water Resistance: Bath-Friendly Submersible up to 3 ft for 30 mins Run Time: 45 minutes (high) to 1 hour (low) Charge Time: 1 hour Dimensions: Insertable Length: 7.13 in./18.1 cm Insertable Width: 3.7 in./9.4 cm Directions: Charging:Charge fully before first use. While charging, the light will blink and will stay illuminated when charging is complete. Power On:Press and hold the power button for 3 seconds until the light illuminates. Cycle through Functions:Press the button to switch between speeds and pulsing patterns. Power Off:To turn off, hold the button for 3 seconds until the light turns off. Care Instructions: Wash before and after each use with warm water and the toy cleaner for best results. It's recommended you store your toys in our anti-microbial Toy Totes to keep them free of bacteria while not in use. ✦ Tip: For optimal battery life, ensure the toy is turned off when not in use and recharge fully every 6 months.