JISULIFE Hand Warmers, Rechargeable Electric Reusable Hand Warmer/Power Bank, Pocket Warmers with LED Display, Portable Hot hands Hand Warmers for Outdoors Skiing Hunting Camping Golf Warm Gifts-White

High-quality & Safety : JISULIFE hand warmers made of High-quality ABS and aluminum alloy materials,certificated with UL,CE,PSE,FCC,ROHS,safe to use.The electric hand warmers have overcharge, overpower, short circuit, overvoltage, overheating, power failure protection. Double-sided heating design : This hot hands hand warmers heats up in 3 seconds on both sides. Digital display will show the selected heat settings and battery remaining.3 levels of temperature can be adjusted at will, [104? (40?)], [122? (50?)],140? (60?)], 3 levels of temperature, one key switch. Rechargeable Hand Warmers: 5400mAh capacity lithium Battery, the maximum battery life is up to 8 hours. Just 3 hours to complete the charging.This hand warmers can also be used to charge mobile phones. One USB reusable hand warmer hot hands stay with you all winter. Multifunctional Hand Warmers: This rechargeable electric hand warmer can also be used to charge mobile phones. Best hot hands hand warmers! Great Gifts: Cool gadgets gifts for men women unique, This portable heater hand warmers is very good for hunting, camping, traveling, hiking, golf accessories, The best gifts for Halloween, Christmas, Easter, Birthday.