Function: 12 Frequency Vibration
Color: Black
Size: 15.5 * 6 cm/6.1 * 2.3 inch
Insert Length: 12 cm/4.7 inch
Net Weight: 207 g/0.45 lb/7.3 oz
Power: Lithium battery
Material: ABS + Silicone
Package: Color Box
Further: Waterproof
Package Size: 18*8*8 CM