[Large Capacity Fast Charging]10000mAh Rechargeable hand warmer with charging port ensures a long using time. Also can as a spare power bank with dual output ports( USB:5V/2A), supporting charging mobile devices simultaneously. Built-in LED screen to remind you of the remaining charge and heating status. [Superior Safety]Certificated by CE, FCC, ROHS. Made of high quality Aluminum alloy and flame retardant PC material, eco-friendly polymer lithium battery. Its built-in intelligent protection system provides effective protection. Shockproof, Anti-scald, Anti-skid, Explosion-proof. Completely safe heat transfer. [Single/Double-Side Quick Heating]Take the warmth with you and never let go! Keep your hands toasty and beat this cold weather with fast heating rechargeable portable hand warmer. Giving you a powerful 118-131 (45-60) for 4-5 hours at room temperature. Press the switch and instantly release the warmth for you. You can choose Single/ Double Sided Heating to meet your different meets. [Portable Convenient]Rechargeable hand warmer with pocket-size and skin-friendly material finish, easily held with one hand designed for traveling, fishing, hiking, camping, skiing, cycling, climbing, etc. Especially perfect for outdoor or indoor activities. Delivery quantity: 1pcs Product colour: black Product size: 95*70*22mm