8 vibration modes, from gentle touches to intense pulses Ultra-soft silicone, safe and pleasant to the touch USB rechargeable, up to 2 hours of use IPX7 waterproof, perfect for showering or bathing Materials: Biocompatible silicone + ABS Dimensions: 60 x 46 x 165 mm | Weight: 98 g Battery: 520 mAh lithium-ion Use time: up to 2 hours Standby: up to 90 days Maximum noise: 60 dB