Function: 10 Frequency Vibration
Color: Black
Size: 18.7 * 6.2 cm/7.4" * 2.4"
Insert Size: 4.5 * 4.5 cm/1.8 * 1.8"
Net Weight: 161 g/0.35 lb/5.7 oz
Power: Lithium battery
Material: ABS + Silicone
Package: Blank Box
Further: Waterproof
Package Size: 123*9.5*5 CM