- Funtion: 10 kinds of vibration mode with one strong silent motor
- Waterproof: IPX7
- Material：Food-grade silicone Non-toxic ABS
- Size: 90*30mm
- Weight: 65g
- Power: lithium battery with USB charger and 90mins using time
- Waterproof: IPX7
- Material：Food-grade silicone Non-toxic ABS
- Size: 90*30mm
- Weight: 65g
- Power: lithium battery with USB charger and 90mins using time