100% brand new and high quality Features: Quick hand warmer and power bank 2-in-1. It's not only a little handwarmer but also a emergency backup battery. Double side heated and 3 different heat settings: 3 different temperatures 38-42, 42-48, 50-55. 3 indicator lights keep you informed of the remaining battery and heating status. Equipped with special lithium ion protection board: effectively prevent overload, over discharge, over current, short circuit, etc. Portable and large capacity: It is a nice size to hold and feels smooth in your hands. Handy carrying anywhere with any pocket or bag while sporting, fishing, hiking, camping, skiing, travel or play sports outdoors. Also a perfect reusable hand warmer solution in cold weather for a commuter or office worker. Specification: Material: Aviation Aluminum Alloy+ABS Size: app. 10.2x2.4x5.9cm/4.01x0.94x2.22in Optional Color: Blue, Rose Gold, Silver, Golden Power Supply: USB Charging Input Voltage: DC5V/2A Output Voltage: DC5V/2A Working Time: 1-3 hours Battery Capacity: 5200mAh Auto power off after fully charging Battery Type: Lithium polymer explosion-proof battery 3 Heat Setting: low 38-42; medium 42-48; high 50-55 Quantity: 1 set Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Hand Warmer 1 x Charging Cable (other accessories demo in the picture is not included.)