Function: 9 Frequency Vibration
Color: Black
Size: 21 * 3.8 cm/8.3" * 1.5"
Net Weight: 103 g/0.23 lb/3.6 oz
Power: Lithium battery
Material: ABS + Silicone
Package: Color Box
Further: IPX7 Waterproof, USB Magnetic Charging
Package Size: 25x 9.15x 5.15cm