Product information:

Product size: the upper leg circumference of the main body is 50cm, the lower leg circumference is 42, and the main body length is 30cm (the length of the external strap can be 65cm)
Controller size: 7cm in diameter and 2.3cm in thickness Controller weight: 82g
Hot compress temperature: high temperature 60 ℃, medium temperature 55 ℃, low temperature 45 ℃
Voltage and power: 3.7V-2A-7.5W 

Battery capacity: 2500 mAh 

Charging voltage: type-c5V-2A
Charging time: 2H
Service time: 6-12 times Rated time: 15 minutes/time
Net weight of main body: 140g
Note: the extension belt is not included

Color classification: blue

Packing list:

Knee massager * 1/2