Waist Heating Pad Belt Lower Back Heat Wrap Hot and Cold Therapy with 3 Heating Grade Sets

When you first connect the USB cable or plug the AC charger adapter into power, the LED button switch will flash red, white and blue in turn then go out, at this moment you need to long press the button switch for 2 seconds to make it start to work. Product parameters: Output voltage: 5V/DC; The first gear ( red light), the temperature is around 44℃; The second gear ( white light), the temperature is is around 41℃; The third gear (blue light), the temperature is is around 38℃ . Output voltage: 8.4V/DC; The first gear ( red light), the temperature is 56-65℃; The second gear ( white light), the temperature is 46-55℃; The third gear (blue light), the temperature is 40-45℃. Note: There will be 2-4 ℃ of error with different measuring instruments and measuring position! Physiotherapy place: Back/Waist/Abdomen Mode changes automatically, when light change to white, press the button change it back to red mode, its auto-change would be cut and stay in the first gear. Applicable ambient temperature: -30℃ to 15℃ Washing instructions: 1.Washed by hands, please don’t washed by machine. 2.Don’t wring it vigorously. 3.Do not be exposed to the sun, firing or iron the heated pad brace to avoid damage the insulator of heating conductor. Considerations: 1.It is NOT recommended to use high temperature for a long time to avoid burns. 2.Batteries, connecting plugs and chargers should avoid contact with water during operation. It should be used in completely dry condition. 3.NOT for Pregnant women, little child and those who can not express their willingness. 4. Not work with pacemakers.