Description
Product Descriptions: Color: Black Perfect Winter Gift for Family, Friends, Coworkers. Special battery for all DOACE heated vests. 【 Double Sided Hand Warmer 】 The DOACE Smart Hand Warmer is one of the best household care products, the body warmer can warm up and relax your hands, feet, waist, knees, and back at any time, be used as heat therapy relief for people with Raynaud’s, arthritic hand, they also improve your sleep during the winter months. For outdoor use, it’s better to go for electric warmer for activities like, Hunting, Golf, Camping. 【 Fast Heating & 3 Temperature Levels 】 The professional hand warmer adopts advance heating flims, press the switch and instantly release the warmth for you rapidly warm up double sides in seconds. 3 levels of temperatures adjustment: 95-107°F/104-118°F/118-131°F, you can choose suitable temperature according to your own demands. 【 Rechargeable Hand Warmer Battery 】 PLEASE fully charge the batteries before using it for the first time. Charging time 7-8 hours. The electric hand warmers are equipped with Tesla same power battery 5V, 9000MAH lithium polymer batteries., providing up to 14 hours of battery life. The battery has indicator to show battery percentage, so you don't have to worry about power outages. 【 Safety Assurance & Best Customer Service 】 Along with multiple protection technologies, to keep your devices away from over-voltage, over-charging, over-current, and short circuit, etc. Built in UL certified battery cell and complete charging protections make you and your device safer. · Usage: · ● Power indicator with 1 single long press; ● Press and hold to turn on the hand warmer function, click to switch the temperature, press and hold again to turn off. The item is BRAND NEW and carefully packaged! It will be shipped in USPS first class mail. If needed, best replacement is available!