Description 1) Relieve arthritis pain and soreness in joints2) Reduce inflammation and swelling3) Improve blood circulation and metabolism4) Promote regeneration and wound healing5) Relax muscles and stop or prevent spasm Features 1. Safety - 12V safety voltage, you need not worry about the potential safety hazard.2. Fixed-point therapy - Sports knee pads, firmly fixed on the knee, keep the heat over your knee.3. Massage - Built-in motor vibration massager, stretching tension physique and muscles.4. Hot compress - has the effect of vasodilation, promote local metabolism, relieve muscle spasms, promote inflammation and blood stasis absorption;5. Timing - 30 minutes time settings.6.3 levels of force selection:Mild pain: 45 degrees, Moderate pain: 50 degrees, High pain: 60 degrees;7.The battery life lasts up to one week and is powered by an environmentally friendly low consumption lithium battery with a large capacity of 5000mAh; Specifiction Type: Knee Heat MassagerVoltage: 12VInput Voltage: 110-220VBody Area: Knee, JointMassageFunction: Physiotherapy Therapy,Focus on: Bone stinging, Joint swelling, Leg weakness, Rheumatoid arthralgia, Numbness stiff, Arthritis... Package Included 1 Pair Knee Heat Massager1 x USB1 x Enghlish Manual1 x Box _x000D_window.adminAccountId=229215939;_x000D_