2-in-1 Hand Warmer Power Bank

Here's a power bank that not only serves as a charger for your mobile devices and other gadgets but can also keep you warm with a choice of 3 different temperature levels. Made of environment-friendly ABS and aluminum alloy with frosted finish. With NTC temperature control sensor that detects and automatically stops overheating, and MCU integrated temperature control which controls the output current to control temperature. Specifications: Input: DC 5V/2A Output: DC 5V/2.4A Charging time: 3-6 Hours Use time: 6-10 hours Heating power: 3.6W Temperature gear: 3 gears Heating temperature: Heating temperature: 40, 50 & 60 Celcius / 100, 120, & 140 Farenheit Heating piece: adopting bi-directional synchronous heating combination (unilateral power 5.0W, Heating wire working voltage 5V/1A-1.9A)