Function: 10 Frequency Vibration/10 Mode LED Light
Color: Black
Outter Dia: 5.1 cm/2"
Inner Dia: 3.2 cm/1.3"
Net Weight: 32 g/0.07 lb/1.1 oz
Power: Lithium battery
Material: ABS + Silicone
Package: Color Box
Further: Waterproof/Wireless