描述
- Functions: Phantom vibration bullets, 10 frequency vibration
- Waterproof: IPX5 Waterproof
- Material:Silicione+ABS. Phthalates free
- Size:79*21*21mm
- Maximum operating diameter: 21mm
- Weight:38g
- Required batteriy:300 mah lithium-ion battery, USB magnetic suction Charging
- Color:Black,Yellow