1. Input: 5V 500mA
2. Battery: 400mAh
3. Charging time: about 90 minutes
4. Use time: 2.5 hours (without heating function) 20 minutes (heating function)
5. Usage Frequency: 2-3 times a week
6. Vibration frequency: 125Hz
7. Waterproof: IPX7
8. Material: food contact grade silicone, aluminum alloy
9. Size: 67x67x46mm
10. Net weight: 117g
