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