Application : Knee Model Number : Vibration Infrared Hot Compress Knee Physiotherapy Instrument Item Type : Massage & Relaxation Feature 1 : 4 in 1 Smart Kneecap Treasure Massager Feature 2 : 15 Far Infrared Light Therapy Knee Massager Feature 3 : Hot Compress Knee Massager Feature 4 : Laser Light Knee Massager Feature 5 : High-frequency Vibration Knee Massager Machine Feature 6 : Airbag Massage Knee Pad Function 1 : Warm Compress Therapy Joint Swelling Massager Function 2 : Relieve Stiffness Shoulder Elbow Massager Function 3 : Reduce Knee Shoulder Elbow Joint Soreness Function 4 : Reduce Knee Shoulder Elbow Joint Numbness Function 5 : Reduce Knee Shoulder Elbow Joint Bones Pain Function 6 : Knee Joint Effusion Edema Treatment Massager Function 7 : Old Cold Legs Knee Health Care Massager Function 8 : Orthopedic Knee Compression Massager Function 9 : Electric Infrared Heating Brace Air Pressure Vibrator Function 10 : Electric Heating Knee Pad Size: 20.5*15.5*17.5cm Rated power: 5W Rated voltage: DC 5V Timing set: 15/20/25/30minutes Heating temp: low 45℃±3℃, medium 50℃±3℃, high 55℃±3℃ Battery: 2000mAh Mode: 1.Air pressure relaxation massage 2.Infrared light physiotherapy 3.Vibrating Massage 4.Hot compress for knee joint