J-BRAUV Hand Warmers Rechargeable 2 Pack, 10000mAh Charging Case + 4000mAh Reusable Electric Hand Warmer, Up to 20H Heating Portable Pocket Hand Warmers for Outdoor Golf, Cold Weather and Tech Gifts slim power bank 20000mAh you can easy put in

you can easy put in pocket or purse when going out

3 technology provide faster and more stable Bluetooth connectivity at a normal range of 39ft/12m

such as smartphone

Multiple charging protection

10W and 15W Max wireless charging

J-BRAUV Hand Warmers Rechargeable 2 Pack, 10000mAh Charging Case + 4000mAh Reusable Electric Hand Warmer, Up to 20H Heating Portable Pocket Hand Warmers for Outdoor Golf, Cold Weather and Tech Gifts slim power bank 20000mAh you can easy put in3 Levels Temperature Settings & 2s Fast Heating: Enjoy customizable comfort with three heating options to choose from, low temperature 35 42 (95 107), medium temperature 42 48 (107 118), high temperature 48 55 (118 131). Electric hand warmers heat up in just 2 seconds, provide instant heat on both sides, ensuring that your hands are warmed up in no time Reusable & Rechargeable Hand Warmers: Each Rechargeable hand warmer features a powerful 2000mAh