Search query: battery heated hand warmer

Product: BigBlue Rechargeable Hand Warmer 3-in-1, 10000mAh Battery Charger with Emergency Light, Portable & Reusable Hand Warmers, Double-Side Heater for Hunting, Golf, Ski, Camping, Gift for Men/Women
Brand: BigBlue
Relevance: Irrelevant
Double-sided & Two Heat Settings: BigBlue 10000mAh hand warmer with two heat settings(108℉~118℉ / 120℉~131℉) can last about 5 hours in low position about 41℉ temperature. You'll also get the double-sided heating by simple button to transmit heat to your hands and joint under a high efficiency, fast heating in seconds.
Large Capacity & Emergency Light: BigBlue has been sold this largest capacity hand warmer on the market for 4 years. Built-in 10000mAh rechargeable li-polymer battery, this hand warmer can charge iPhone7 3.2 times and iPhone 7 Plus 2.2 times, used as a power bank to charge your electronic device or used as emergency LED light when you're out in the outdoors or in emergency.
Reusable and Safe: This rechargeable hand warmer can be charged from a USB port on a laptop or wall outlet. With overcharging, overheating and short-circuit protection, BigBlue electric hand warmer ensures 100% safe use without burning your skin. Throw away those disposable charger! Choose a reusable way to warm your hands!
Ergonomic & Comfortable: Palm-sized heater with smooth edge can be firmly gripped and offer a better holding experience. High-quality aluminum shell is rugged enough for hunting, golf, fishing, camping or other outdoor activities, and it is compact enough to fit in your pack, pocket or glove compartment.
A Perfect Gift: This is the ideal Winter gift or Christmas gift, give your warm and care to your parents or girl&boy friend in this winter. NOT ONLY cold hands relief, BUT ALSO helps soothe the pain and uncomfortable of Menstrual, sufferers with arthritic hands and arthritis pain. What You Get：1 x 10000mAh electric hand warmer, 1 x Micro USB Cable, 1x User Manual and our friendly customer service.