Black ColorMaterial: environmental protection silicone + ABSPower supply: USB rechargeableBattery: Built-in 500mAh lithium batteryUser guides:Vibration: 8 powerful speeds + 20 vibration patternsCharging time: about 2 hours before useUsing time: about 2 hours when fully chargedAfter use: The "toy" contains a large amount of secretions and residues after use. Please clean your "toy" immediately after use. Warm soapy water can be used for cleaning.Main features:Multi-speed strong vibration freelyVibrations are controlled by frequency and speed buttons, you can choose the mode you wantSingle pulsating drivers for a deep, powerful feel4. Made of body-safe materials. It is water resistant so it can be enjoyed in the shower or in the shower