Hand Warmer, 2 Packs USB Rechargeable Hand Warmers, Electric Hand Warmers with 3 Adjustable Heating Modes, Gifts for Raynauds, Golf, Camping, Hiking

【Unique Split Design】: The hand warmer has a double-sided heating function, which quickly releases heat and can heat both sides in 3S to warm your hands. Split loop design, easy to use, can be divided into 2 2000mAh hand warmers. Exterior design of the beetle, the structure is compact and smooth and the touch is comfortable. Use steps: 1. Long press the button for more than 2 seconds to turn the hand warmers on/off. 2. The red light on means it works, then press the button once to increase a level of heat each time. 3. Double-click the battery indicator during work (the blue light is on) 4. Press any time for more than 2 seconds to turn off. 【Long Warm】: There are 3 temperature modes available: Low 42°C (working time 10 hours) Average 48°C (working time 7 hours) High 55°C (working time 5 hours). Hand warmers insist on constant temperature, double-sided warmth, giving you up to 5-10 hours of heat in cold winter. 【Upgrade Protection】: The hand warmer has built-in protections against overcurrent, over-voltage, overheating, short circuit and other multifunctional functions, which are smart and safe. When charging, the blue battery indicator flashes from bottom to top and the blue light is always on when fully charged. If the hand warmer is not used for a long time, charge it at least once. every 3 months to ensure battery performance.