2 IN 1 Portable Hand Warmers/Power Bank- 5200mAH Quick hand warmer & Power bank 2-in-1.As a hand warmer in the cold winter, you can carry to warm your hands, also meet the physical therapy and hot compress needs. Definitely renault patients, arthritis, muscle pain patients, to prevent frostbite savior. They are also power banks,as a powerful battery bank to charge your smartphone in case of emergency.Ideal for outdoor activities,travel,hiking,camping,skiing,fishing,cold weather dog walking. Compact & Portable USB Hand Warmer-The light pebble shape rechargeable hand warmers are easy to carry,ergonomic design, comfortable surface and curved shape for gripping, perfect for outdoors, kids waiting for the school bus in cold weather, playing golf, motorcycle, hunting, hiking, running, sledding, etc. It is a creative gift for women and men, who suffer from arthritis and Raynaud's arthritis. Double-sided Heating & 3 Levels of Heat-Press the switch and the hot hands hand warmers heats up both sides quickly in seconds, releasing warmth for you and dispersing the cold quickly, unlike traditional hand warmers, this electric hand warmer can warm your hands on both sides. The hand warmer has 3 levels of temperature for you to choose from: low(94-113F)medium(113-122F)and high (122~131F)suitable for people of different ages . Safety & Reuseable Lasting Heat- Safety is our team's top priority. Reusable hand warmers rechargeable is recycled by battery charging,which is more in line with the concept of environmental protection.We use a high quality chip to control the heat balance, automatic power off in case of full charge or high temperature, protection. continuously warm your hands for 4-8 hours,so your hands don't feel cold when you walk outdoors or walk the dog in cold weather. [Ideal Gift for Cold Winter] - This reusable hand warmer is a great winter gift for family, loved ones and friends, give your mum, dad, sister, brother, grandparents, girlfriend, boyfriend a winter without cold hands, a surprise gift for Christmas, Thanksgiving, birthday, anniversary, Valentine's Day. Soft and DelicateThe ergonomic design of the usb pocket warmer fits perfectly in your hand and you won't feel any discomfort when you hold it in your hand. Safe, Reusable Electric HeaterReusable hand warmers are more energy-efficient and cost-effective than disposable hand warmers. Advanced materials and officially certified batteries ensure absolute safety One-Button Control"Great things are always simple", the same truth goes for our usb hand warmer. All operations can be carried out using the white buttons. 3 indicators tell you the remaining charge and Suitable for many occasionsWhether you are indoors or outdoors, the quick heating hand warmer is suitable. The pocket heater will warm your body and mind during camping, hiking, fishing, rock climbing, skiing or other winter outdoor sports. Packing list: hand warmer, charging cable, lanyard, instruction manual, box