Function: 10 Frequency Vibration
Color: Black/White
Size: 10.0 * 3.7 cm/3.94 * 1.46 inch
Insert Length:8.0 cm/3.15 inch
Net Weight: 57 g/0.13 lb/2.01 oz
Power: Lithium battery
Material: ABS + Silicone
Package: Color Box
Further: Waterproof/APP Smart Control
Package: 12.5 * 8 * 4.5CM