Certification:CE,RoHS Application:Leg Item Type:Massage & Relaxation Material:ABS Name:PASTSKY Origin:Mainland China Rated power:5W Rated voltage:DC 5V Timing set:15/20/25/30 minutes Heating temp:low 453, medium 503, high 553 Battery:2000mAh Features 1:Wireless Heating Knee Massager Infrared Physiotherapy Features 2:Vibration Massage Kneecap Brace Relieve Rheumatic Arthritis Pain Features 3:Heating Massager Knee Pad Electric Physiotherapy Vibration KneecapTreasure Features 4:Shoulder Knee Joints Pain Relief Massage Physiotherapy Features 5:Smart Hot Compress Knee Relaxing Massager Kneecap Treasure Features 6:Infrared Elbow Shoulder Massager Relive Joint Pain Stiffness Features 7:Physiotherapy Hot Compress Electric Knee Massager Features 8:Vibration Heating Knee Massage Relieve Rheumatic Arthritis Laser Light Therapy