Portable Hand Warmers Rechargeable with 10000mAh Charging Case and 2000mAh 2 Pack, Pocket powered heater

Surface Heating Structure: Use them separately or assemble them into a double-sided heat source for hands for even heating experience. Built‑in structure enables stable attachment, suitable for hands, pockets and gears in cold‑weather scenarios Extended Runtime Performance: Each hand warmer contains a 2000mAh built‑in battery. Approx. 10‑hour runtime after 3‑hour full charge under selected setting. Matched with the 10000mAh charging case,the runtime of hand warmer in conjunction with the charging case can reach up to 36 hours Compact and Lightweight Build: Weighs 0.350 kg with dimension 20 x 15 x 10 cm. Compact size for easy storage inside bags and backpacks, designed for adult daily and outdoor usage 3‑Level Heat Settings: Three adjustable heat levels from 95°F to 138°F to accommodate different ambient conditions. Simple operation: long‑press for power on/off, single‑click to adjust heat level, double‑click to check remaining power Built‑in Circuit Protection: Integrated protective circuit helps against over‑charge and short‑circuit issues. Wireless‑charging‑compatible hand warmer for winter‑time daily usage