Electric Infrared Heating Knee Massager Wrap, Elbow Joint Support Vibration Physiotherapy Device Style:US Battery backup: 2-5 days of

Battery backup: 2-5 days of use

Material: ABS+LED

Material: safety plastic

Charging and discharging protection: Built-in overcharging and over-discharging IC to prolong battery life

Electric Infrared Heating Knee Massager Wrap, Elbow Joint Support Vibration Physiotherapy Device Style:US Battery backup: 2-5 days ofOverview: 1. Comfortable vibration massage soothes joint ache, muscle stiffness, and joint swelling. 2. The knees, shoulders, and elbows are ergonomically designed and can be fixed on any joint. 3. The rechargeable lithium ion battery allows for full portability and can provide support on the go. 4. The optional heat further soothes the knee, shoulder, and elbow joints. 5. Hyperthermia, magnetic therapy, and vibration massage work together to promote