Function: 2 Speeds 10 Frequency Vibration Color: Black Size: 30 * 3 cm/11.8" * 1.2" Insert Length: 20 cm/3.9" Net Weight: 200 g/0.44 lb/7.05 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof,Magnetic attraction Reharge