Electric Heating Knee Brace USB Plug In 3 Levels Temperature Adjustment Thermal Knee Pads for Muscle Relax Joint Support

Is Batteries Included : No Electronic : No Application : Leg Brand Name : Hailicare Origin : Mainland China Item Type : Massage & Relaxation Heat Setting Temperature Parameters For Reference: When Use The Usb Cable To Plug In An Usb Port Of Desktop Computer To Get Source, The Output Is About 5V/Dc: Highest (Red): The Temp Is 111.2℉/44℃, Hot, For Long Time Use. Medium (White): The Temp Is 105.8℉/41℃, Warm, For Long Time Use. Lowest (Blue): The Temp Is 100.4℉/38℃, Lukewarm, No Need To Use This Setting. Ps: If You Connect It To A Power Bank With An Output Current Higher Than 500Ma, The Temp Can Be Higher Than The Above Measurements, And You Can Get More Heat. Instructions: