Unigear Electric Hand Warmers Rechargeable, 10000mAh Portable USB Hand Warmer & Power Bank with 21 Heating Levels and Quick Charge, 1 Second Fast Heat up, Great for Raynauds, Outdoor Sports, Camping - HW02

• Instant Heating. The rechargeable hand warmer with 10,000mah capacity provides up to 16 hours of battery life, Taking only 1 second for a 360 degree all-round heating. giving you a full day of continuous warmth during the cold weather. Accurate Temperature Adjustments. The LED digital display screen shows the remaining battery life balance and temperature adjustments of up to 21 settings, 95 - 131F. Just set to the temperature you prefer. No worries to use. The built in temperature monitoring chip constantly performs real time temperature monitoring. The built in temperature monitoring chip constantly performs real time temperature monitoring. The heated hand warmer frame is reinforced with the use of flame retardant V-O grade material, Acrylonitrile Butadiene Styrene ( ABS ), and polycarbonate ( PC ), for no worry use. frame is reinforced with the use of flame retardant V-O grade material, Recharging and Hand Heating 2 in 1 functions. Our electric hand warmer has both hand heating and recharging functions at the same time. The USB Type A and Type C ports at the top support 20W two way fast charging, USB Type A ( output ), Type C ( both input and output). 365 DAYS 100% SATISFACTION: Our rechargeable hand warmer is great for Raynaud’s arthritis sufferers and will help you brave bitter temperatures on your outdoor adventures. If you have any enquiries regarding to this item, please feel free to contact Unigear customer service and we will contact you within 24hrs.