Features:
This multifunctional hand warmer is a small and convenient heating device suitable for going to school or commuting in cold weather. It is suitable for indoor and outdoor sports, fishing, hiking, camping, skiing, travel and other activities to carry and keep warm, warming the whole winter entertainment time. The oval appearance is simple and generous, and it is also suitable as a Christmas new year gift for relatives and friends.
Easy to use: The front independent switch button is used to turn on/off the power, adjust the temperature and shift gears, and switch modes. In standby mode, double-click the power button to display the power, which will go out after 4 seconds.
The blue light is the power indicator, and the red light is the hand warmer indicator. The blue power indicator light is always on, indicating that the device is currently in mobile power mode and the power is in standby mode, and the blue breathing light is on; the red power indicator light is always on, indicating that the device is currently in hand warmer mode and the hand warmer is in the start state, and the red breathing light is on.
Charging indicator: a flashing blue light indicates that the power is low and needs to be charged in time; a flashing blue light indicates that it is charging; three blue lights are always on, indicating that the power is fully charged.
High-quality flame-retardant ABS and all-oxygen aluminum alloy shell materials are durable due to their high temperature resistance, wear resistance, impact resistance. The surface is round and smooth, and the touch is delicate and comfortable.
Built-in a 3000mAh battery with ultra-long battery life, providing lasting warmth for your hands in the cold winter.
Automatic protection function: It has multiple protection functions such as input overvoltage/low voltage, input anti-reverse, battery over-discharge/overcharge, over-temperature protection, open circuit/short circuit protection, etc., which is safe and explosion-proof, and more secure to use.

Specifications:
Name: 2-in-1 hand warmer
Material: ABS + aluminum alloy
Input power: 5W
Battery specification: 3000mAh * 2pcs
Charging interface: Type-C
Dimensions: about 93.5mm*51mm*17mm
Weight: about 78g