About the product: 1. Curved Beads Hook Particles Anal Vibrator:designed for enjoyable anal sex, Mode :10 strong and varied vibration settings to experience different feel passions. 2.How to use:Designed with one button on the vibrator,long press the power button for 3-5 seconds to turn on / off, short press the button to change the vibration speed.or use the remote control the same way. 3. Material :FDA approved Medical Grade body safe silicone + ABS, Flexibility and elastic,odourless and skin-friendly,health and safe to use. 4. Package size :Beads Length 3.7 inch,Diameter 0.7 inch. Product weight :70g. 5. Waterproof grade: IPX7 . It means can be under water for 30 minutes, can be used in bathroom or any other wet places and easy to clean. 6.Max sound :<50dB . Quiet just like couple whisper in ear. 7. Charge :USB charged , as easy as charging your smart phone! Charging time :about 2 hours, Using time :About 1-1.5 hours when fully charged. 8. Colour : Black . Packing list : 1 * Anal Plug Vibrator 1* USB charger cable 1 * Manual We send all items in Discreet package to protect your privacy and save you from embarrassment. Tips : 1 .When using the product,use a water based lubricant, do not use a silicone based lubricant. 2 .Clean with an antibacterial soap before and after use,keep in a dry and safe place away from children.