Anbooc Hand Warmer Rechargeable, Slim Pocket Portable Electric Heater, 9-Hours Heat, 3 Levels Up to 122°F, 5000mAh Battery Powered, Perfect for Gaming,

SLIM, LIGHT, COZY. Perfect commute on-the-go companion: some of the slimmest and lightest hand warmers rechargeable, remarkably small, slides easily in any pocket or your gloves. Mini size, big power, works as 5000mAh power bank, charges instantly USB compatible devices.
SMOOTH, DUAL-SIDED HEAT: just so comfy. The palm-fit-design improves distinctly the comfort when holding A2 in hand. Smooth and dual sided warm surface, palm-sized, and easy to grip.
3 HEAT SETTINGS, INSTANT WARM: feel the warm in seconds. From cozy to hot, 3 adjustable temperatures levels, from 95-122°F, there’s all the time a cozy setting for you. This can be a “rechargeable hot cup of coffee”.
UP TO 9-HOURS HEAT: rechargeable 5000mAh lithium-ion battery for lasting, reliable warmth as much as 9 hours run time on average. Energy saving system inside, invertor hand heater produces the heat when needed and save the energy when the temperatures reach the level.
GREAT GIFTS IDEA: reusable, less waste as opposed to disposable warmers. Orignal design, reliable quality, exquisite packaging, gift for Golf, Out of doors Sporting Events, Hunting & Fishing, Camping & Mountain climbing, Working in The Yard, Jogging or Taking Your Pet for A Walk.