MULTIPLE PURPOSES CONSIDERATE Perfectly combines hand warmer and power bank which can be used as a comfortable handwarmer in cold winter and a portable phone charger for emergency use A optimal caregiver for you and your mobile devices in cold winter Great warm gift for kids adults the elders Ultra compact and portable easy to carry on the go DOUBLE SIDE HEATED 3 LEVELS TEMPERATURE ADJUSTABLE The palm sized hand warmer heat up within seconds And it offers 3 adjustable temperature levels Level 1 40 Level 2 50 Level 3 60 easily slightly press the POWER BUTTON to select the temperature level as you want Anti scald and radiation free 5000mAh RECHARGEABLE As a portable charger its 5000mAh capacity can give a full charge to mainstream digital devices on market such a iPhone 11 11 Pro Max XR XS 8 7 6 6S Samsung S10 9 8 and other mobile devices charged via USB cable SAFE USER FRIENDLY Safety is top of mind this pocket hand warmer have built in intelligent protection system is provided