Features 1. SAFE AND COMFORT: Made of high-tech aircraft-grade aluminum and ABS material, anti-scald, explosion-proof. This mini hand warmer have built-in intelligent protection system is provided with safeguard of power on, short circuit and over loading. 2. HAND WARMER & POWER BANK 2-in-1: This Hand Warmers really helps warm up your cold hands and gets the circulation going, great for relief of aches & pains. Best Gifts for Friends and Family in cold winter. 3. QUICK WARM HANDS & 3 LEVELS: Press the switch and instantly release the warmth for you. Rapidly warm up double sides in seconds. Three levels of temperatures: Low: 104F, Medium: 122F, High: 140F at your choice. 4. LARGE BATTERY CAPACITY: 5200mAh capacity can give a full charge to mainstream digital devices on market, the blue light will show how much charge is left. 5. POCKET SIZE: Small and light. Handy carrying anywhere with any pocket or bag while sporting,fishing, hiking, camping, skiing. Specification Material: Aluminum alloy, ABS Color: Blue, Silver Size: 10.2 x 5.8 x 2.3 cm Weight: 150 g Battery Capacity: 5200mAh Input / Output: 5V 1.5A Package Include: 2 x Hand Warmers 2 x USB Cable 2 x User ManualWhen shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''t hesitate to . We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.