Vibration massage: Knee pain relief uses electric shock massage, which heats up quickly in 3 seconds and balances quickly. 3d knee massage provides breathable comfort while releasing knee pressure.Multi functional use: Knee massager can be used for three purposes: Shoulder, elbow, and knee. With a 50cm extension strap, it can instantly massage and protect the shoulder, serving as your joint specialist massager to soothe every sore spot.Portable charging: Elbow massager replaces usb power supply methods such as power banks with independent magnetic batteries. It can be installed in one second without a charging cable and can be used as a regular knee protector without a battery; the battery compartment is charged using a usb cable.Lcd touch screen: The knee h.
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