SPECIFICATIONSBrand Name: hailicareHign-concerned Chemical: NoneCertification: CEItem Type: Massage & RelaxationApplication: LeGModel Number: Eletric Heating Knee Massage DeviceElectronic: YesMaterial: OK clothOrigin: Mainland ChinaFeature 1: Heated Knee MassagerFeature 2: Vibration Massage Knee PadsKnee Massager Joint Hot Compress Artifact Knee Hot Compress Massager Double Airbag Electric Knee Protector Graphene Heating Type-C ChargingFeatures:1. This product is designed with dual airbags, with three massage modes and different massage intensity, which can deeply relax the knee joint and quickly relieve fatigue.2. Graphene heating evenly transfers heat to the knee area, and three adjustable heat temperature (45℃-50℃-60℃) allows your knees to enjoy soothing relaxation and rejuvenation in a short period of time.3. Built-in 1800mAh high-capacity lithium battery can be used approximately 4 times continuously for up to 15 minutes each time after a full charge, allowing you to enjoy the pleasure of massage anytime, anywhere.4. The 15-minute timer function ensures the safety and comfort of the massage process and avoids the discomfort caused by prolonged use, so you don't need to worry about safety issues while enjoying the massage.5. Our knee pads are made of high quality 0K fabric, which not only has good elasticity to adapt to the needs of different body shapes, but also has excellent breathability, allowing you to enjoy the massage while feeling intimate care.Product Parameters:Material: OK clothColor: blackInput: DC 5V 2A Rated power: 8WBattery type: lithium batteryBattery capacity: 1800mAhUsing time: about 1 hourNet weight: 351.3gKnee pad size: Lower length 48cm/18.9inch, upper length 56cm/22.05inch, spacing between top and bottom 28cm/11.02inchPacking List:1* Knee Massager1* English User Manual1* Type-C Charging CableUse steps:1. short press the power button to start the machine; (short press switch)2. Press the m key to switch between different massage modes;3. Press the hot compress key to select the heating function.4. Press the strength key to select the intensity. We recommend you to use the lowest level at the beginning.Caution:1. the heating function is turned off by default, you can activate it with the Heat Compress button to select 3 heating levels, or turn it off if you don't need it.2. The heating part is only on the knee part.3. We recommend you to use it 1-2 times a day for 30 minutes each time. If you feel too tired or want to continue to enjoy you can also use it for a long time.