Rechargeable Arm & Leg Protective Gear For Pain Relief

Product information:   
Material: Neoprene
Self-heating: Yes
Colour: Black, Grey 
Specifications: Strap length 103cm, width 9cm
Applicable parts: Arms and legs
Heating method: eEectric heating
Battery specification: 7.4V, 2200mAh
Battery model: 2 sections 18650
Charging time: 2-3 hours
Use time: 2-3 hours

Packing list:
Belt*1 charger*1 power bank*1 usb cable*1 manual *1