Material: Silicone+ABS
Color: Black
Feature: 5 speeds Beating Vibration; 
             2 Rings; Wireless Remoted；
             100% Waterproof
Noise Level: <60dB
Power Source: USB Magnetic charge
Max Charge Time: 2 hours
Max Run Time: 1 hour
Size: 107 X 47mm
Net Weight: 63 G
Packing: Solid Box Package