Kindly Note:When connecting to the power supply, please select the ordinary 5V2A charging head instead of fast charging head,otherwise the product may not be charged normally. Features:1.Multifunctional heating vibration massage knee pads, red light heating + vibration massage combination, gentle care of your shoulders, elbows and knees.2.Heating massage two-in-one, 3-level heating ,three vibration modes for you to choose. You can enjoy both functions at the same time or separately.3.It can be used for warmth and hot compress therapy, which can effectively relieve muscle soreness and cramps, relax muscles, reduce stress, relieve fatigue, and promote blood circulation.4.Anti-accidental touch function: When you are using the product, you can turn on the anti-accidental touch mode to lock the control panel to avoid accidentally touching the keys.5.This heated massage shoulder pad is made of high-quality diving fabric, light and soft, good elasticity, comfortable to touch, not easy to pilling, and easy to carry.6.USB charging: The built-in 5000mAh large-capacity rechargeable battery allows you to enjoy a comfortable massage anytime, anywhere. Specifications:Material: diving materialWorking voltage: 5VWorking current (heating the highest grade): 1850mACharging time: 2-3HBattery capacity: 5000mAhBattery life:Massage (top grade): 14.2hHeating (highest grade): 140-160MinMassage + heating (highest grade): 100-120MinProduct net weight: 320gKnee pads: 72*23cmLong strap: 67*5cmShort strap: 60*5cmPacking size: 24*6*15cmPacking List:1* Knee Pad1* Long Strap1* Short Strap1* Charging Cable1* English User Manual1* Packing Box