Maifeituo 10000mAh Rechargeable Hand Warmer, Electric Portable Pocket Hand Warmer 10000mAh Power Bank

Product Features: Input/Output: 5V/2A Charging time: 2-3 hours Working Time: 4-8 hours (The lasting time depends on external temperature and heat settings) Temperature: constant 104°F(40°C)/122°F(50°C)/140°F(60°C) What You Got: One Rechargeable Hand Warmer&Power Bank One Cloth pouch with drawstring One User Manual One Micro USB cable. One Lanyard Usage Method: 1.Press 1 time to the Display Power Mode 2.Press 2 times to the LED Lighting Mode, Press 2 times to turn off 3.Press 3 times to the Vibration Mode, Press 3 times to turn off 4.Long Press for like 3 seconds to the Hand Warmer Mode, Long press to turn off