Upgraded security - The optimized and upgraded Circuit ensures its long lifetime, providing protection against over discharging, over charging, overheat, and short circuit Exquisite comfort - Made of high-tech ABS material, Smooth and warm, portable and compact as well anti-skid in one hand Large battery capacity - 5000 mAh lithium rechargeable battery with USB charging port ensures a long using time. It can also be used as a power bank to charge your electronic device at any Time Portable Hand Warmer - Socks shape and small volume allow you to put it anywhere you want, hold it in your hand or put it in your pocket. Perfect Gift - It's a Ideal Gift for Your Family or Friend in cold winter. Delivery quantity: 1pcs Product colour: red Product size: 98.4*82.61*39.87mm