1 Pair Knee Joint Brace Support Heating Vibration Massage Tool Hot Therapy Knee Massager for Relieve Arthritis Features:2 in 1 KNEE BRACE WRAP - Knee pads combine heating and soothing vibration massage functions. Keep knee warm in 5 seconds and powerful vibration massage will be a good helper to relieve muscle tension and relieve joint pain caused by overwork, rheumatoid arthritis of the knee, etc.ADJUSTABLE HEATING VIBRATION - Three-level hyperthermia and vibration massage are controlled by two buttons respectively, which can be used alone or together. SECURITY UPGRADE - Knee heating pad has a built-in overheating protection element. When it is heated to the highest temperature, the heating pad will stop heating until it returns to normal temperature. Let you enjoy a safer and more comfortable massage with peace of mind.FREEDOM ENOUGH - Two power banks provide unparalleled power for knee heating anytime and anywhere. The knee massager with adjustable velcro is suitable for most knee sizes and easier to wrap the massager in the correct position, giving you more freedom of movement. Details Images: Material:PU LeatherSize:60*30*9cmWeight:765gBattery capacity:5000mahCharging time:1-2 hours