Electric hand warmers how to use:

Long press for more than 2S to turn on and off the machine. long press to turn on the machine and each press will increase one gear. double-click the power display. long press for more than 2s at any time to turn off the machine

Heated hand warmers power indicator:

One blue light below 35%, two blue lights below 70%, three blue lights below 100%. when charging, the blue light indicator flashes from low to high, and the blue light is always on after full. there is no external output discharge function. when the power is low, the blue light flashes and then turns off

Pocket warmers control mode:

Switch type three gears, the first gear heating temperature and use time (95~107℉, 20 hours), the second gear heating temperature and use time (107~118℉, 14 hours), the third gear heating temperature and use time (118~131℉, 8 hours)

Hand heater charging time:

3~4 hours

Warmers note:

1. Heating is automatically turned off during charging
2. If this product is not used for a long time, charge it at least once every 3 months to ensure the performance of the battery
3. This product has a built-in battery. do not knock or disassemble it at will. do not use it in a humid or high temperature environment. keep it away from fire and water. do not store it in direct sunlight. If the battery leaks, do not contact sensitive parts such as skin and eyes. If contact has occurred, rinse the contacted parts with plenty of water and seek medical attention immediately