ASTUBIA Electric Hand Warmers [2 Pack] Portable Winter Hand Heater Warmer Double Sides Heating 5200mAh Rechargeable Power Bank USB Phone Battery Charger for Family Lovers Friends [Great Gift Idea] Come up with [2 Pack] hand warmers that packaged with nice gift box, can be treated as perfect gift for families, lovers, friends and kids. Safe for all ages, taking care of everyone you loved [Durable Quality] The warmer was made of aluminum alloy shell with ABS and Li Battery. Can be recharged after using, one warmer works for the whole winter. Intelligent technology designed keeps you safe while using [Intelligent Control Chip] Intelligent temperature control chip can heat up in 3 seconds after click the button. 3 Different temperature range allows you to set the prorated temperature based on your own desire [Pocket Size] Designed based on the pocket size fits for most of the container including hand bag, pocket, school bag and backpack. The delicate outlook allows you to use it under different circumstances [Multi-Functions] ASTUBIA double side three temperature modes hand warmer has several functions including power bank and flashlight. Light your ways up while warming your hands in this dark freezing winter