UTOPER Electric Hand Warmers [2 Pack] 5200mAh Rechargeable USB Pocket Hand Warmer Heater Double-Side Heating Portable Phone Battery Charger Power Bank Winter Gift for Lover Parents Kids [BEST GIFT IDEA 2 PACK PACKING]There are 2 Pack hand warmers in the package. Perfect choice for your lover, kids, parents and friends in this cold season. Send this gift to your lovers to warm them and unfrozen this winter [QUICK HEAT SYSTEM] 3 sec quick heat up system, able to reach the setting temperature shortly after turning on to warm both hands. Temperature range from 95 to 131 [SAFTY & DURABLE] Composite aluminum alloy shell+ABS+Li Battery with a high-quality insulation, intelligent temperature control chip, promised you a premium fashion hand warmer. Shockproof, high temperature proof, green and healthy heat transfer [HAND WARMER & POWER BANK 2-in-1]Powered by 5200mAh capacity rechargeable Li Battery. Huge power in a small body. Pocket size with smooth shell uniform and heat dissipation makes it easier to carry on with. Easy to use with one single button. One time fully charge can be used as a hand warmer for 4 - 8 hrs. It is also a external battery for your mobile phone [WARMER AS LOVER]Double side hand warmer with 3 temperature control modes, keeps your hands warm under any frozen circumstance, including Watching TV, Traveling, Hunting & Fishing, Camping & Hiking. We support 45 days money-back & 2 years warranty, any fault caused by non-artificial reason we will maintain freely, if you have any question, please don't hesitate to contact us