About This

• 【Larger Heating Metal Area】Our heat area is twice the size of the same capacity competitors, not like competitors in order to extend the battery life therefore sacrifice product's heat area.
• 【True Capacity, Up to 20 Hours of Warmth】True 2*2500mAh(5000mAh in total) rechargeable battery heater, providing 5-20 hours of heat, separated: up to 10Hrs, combined: up to 20Hrs, ideal for winter outdoor activities.
• 【Safety Certified and 2S Quick Heating】This pocket hands heater is made of professional quality materials, advanced lithium batteries and protection system which are certificated with UL, FCC, and CE. Most comfortable temperature range, from 104°F to 136°F(40°C-58°C), there are 3 levels of heat to choose from, by a simple button, heats up on all sides in as little as few seconds.
• 【Super-thin and Ultralight & Ergonomic Design】After tireless efforts in design and production, whether combined or separated use, do not affect it's perfect grip feel. With a thickness of 1.25cm/0.49", weighing only 60g(2.12oz) each, KS-19 can easily fit into your pockets, ski gloves, or bag, ensuring you can take them wherever you go.
• 【2-in-1 Hand Warmers & What's in The Box】This handwarmers are also fits pockets of jacket or gloves perfectly, you can share this 2in1 handwarmer with your family or friend. A quality gift packaging including 2 in 1 rechargeable hand warmers, 2 in 1 Type-C charging cable, User manual and 24/7 customer support service.