New Winter Hand Warmer Rechargeable Mini Portable Hand Warmer Digital Display Four Speed Heating Hand Warmer With Flame Display Features: Personalized Flame Style: I designed the front of the hand warmer as a charcoal fire style, which does not affect the heating effect. Whether you are outdoors during the day, or camping at night, it can bring you a good mood and healing effect. Back heating: no need to long press, it will be hot when you get on it. No need to wait for a long. It also has a back heating mode to bring you more warmth on cold days. When the product is working, long press the on/off key to turn it off. Digital Display And Long Battery Life: 1200mAh rechargeable battery with USB-C charging port, when fully charged, can be used for 3-4 hours.There are four temperatures for you to control and adjust, the first is 37 degree Celsius, the second one is 45 degree Celsius and the third one is 55 degree Celsius，the last one is 65 degree Celsius. High Performance And Safe: I made High Density Battery, Intelligent Temperature Control Chip and ABS, which has passed safe certification. Built in intelligent protection system, with protection functions such as power on, short circuit, overload, and so on. Use In Multiple Scenarios: The hand warmer is stylish, portable and compact. Ergonomic design makes you more comfortable. Suitable for travel, sports, football, hunting, golf, fishing, hiking, camping, skiing and more. Product Description: Product name: Hand warmer Color:Yellow Heating temperature: 37℃~65℃ Material: ABS Size:9.8*6.1 cm/3.86*2.4 in Weight : 110 g/0.24 lb Includes: 1* hand warmer 1* data cable Hand Warmer:New Winter Hand Warmer Rechargeable Mini Portable Hand Warmer Hand Warmer with Digital Display, 4-Speed Heating Tape and Flame Display Yellow Protection System:The hand warmer is made of aluminum alloy + ABS material and advanced chip control system,which can avoid over-charging,over-current,short-circuit,over-discharge,over-voltage and temperature protection to ensure. Long-Lasting Warming:These rechargeable hand warmers can provide up to 4-6 hours of continuous heat,safe and, for cold commuting environments,outdoor workers or use.Provide convenience and portable warmth for long outdoor activities. Ergonomical And Comfortable Warming:Palm-friendly design makes the hand warmer easy to carry and grip., and straight seams,rounded edges.They allow the hand warmer to heat up to a comfortable temperature and spread the heat evenly throughout the hand warmer while maintaining in your hands. Warm Gift In Winter:In Thanksgiving,Christmas,Valentine's Day and birthday parties,the hand warmer can be the warmest your family,,coworkers,lovers and outdoor workers.