Item Type: Hand Warmer Material: ABS+Silicone+Aluminum Alloy Efficacy: It is a hand warmer and a power bank, a mobile phone energy supply station, and can also accompany you through a special period Power Supply Mode: USB Cable Battery Type: Lithium Battery (Included) Battery Capacity: 6000mAh Package List 1 x Hand Warmer 1 x USB Cable 1 x Manual 1Warm Keeping: Fast heating in 1 second, smooth touch. Double sided heating keeps your hands warm at all times, conform ergonomic design, easy to hold. 22 Gears Of Heating Temperature: 1st gear heating temperature, 4752, 2nd gear heating temperature, 5560, easy to adjust, heating time 48h, good performance. 3Power Bank: It is a hand warmer and a power bank, 6000mAh large capacity battery, convenient to charge the mobile phone with insufficient battery. 4Cute And Beautiful: Very suitable for warming your belly during menstruation. Snowman shape, bright color, overall looks exquisite and cute, beautiful and practical. 5Portable Design: Light weight and small, it doesn't take up much space, easy to store and carry, can be easily put into your pocket, perfect for home and travel use.