KICLBD Hand Warmers Rechargeable,2 in 1 Electric Portable Pocket Warmer 4000mAh with 3 Heat Levels, 10 Hrs Long-Lasting Reusable Hand Heater Great for Outdoor Sports, Camping, Winter Warm Gifts - ‎Guangdong Aoyun Technology Co.,Ltd

• 🔥【Unique Split Design】: The hand warmer has double-sided heating function, which releases heat quickly and can heat both sides in 3S to warm your hands. Split buckle design, easy to use, can be divided into hand heaters. Outer beetle design, the structure is compact and smooth, providing comfortable touch. 🔥【Usage Steps】: 1. Press and hold the button more than 2 seconds to turn on/off the hand warmers. 2. The red light on means it is working, then press the button once to increase one heat level each time. 3. Double-click the battery indicator while working (the blue light is on). Three-level battery indicator, one blue light is 35%, two blue lights are 70%, and three blue lights are 100%. 4. Press anytime more than 2 seconds to turn off. 🔥【Longtime Warm】: There are 3 temperature modes available: Low 42°C (working time 10 hours) Medium 48°C (working time 7 hours) High 55°C (working time 5 hours). This portable hand warmer insists on constant temperature, double-sided warmth, offering you up to 5-10 hours of warmth in cold winter. 🔥【Upgrade Protection】: chauffe main Built-in over-current, over-voltage, over-temperature, short-circuit protection and other multi-function protection circuits, intelligent security, explosion-proof. When charging, the battery blue light indicator flashes from low to high, and the blue light is always on when fully charged. If the usb hand warmer is not used for a long time, charge it at least every 3 months to ensure the battery performance. 🔥【Ideal Gift for Your Family】: Hand warmers are suitable for warming hands, feet, abdomen, waist, knees, etc. in low temperature environments, suitable for the elderly, children, outdoor and office workers. The electric hand warmer is the best gift for friends and family, especially in winter. If you encounter any problems, please contact us in time. 🔥【Feel the warm in 3 second】:Long press 3 second,the hand warm power on.You could feel the warm immediately.