USB powered self-heating vest: powered by any 5V portable charger (low voltage and safe voltage), USB plug (on the inside of the left pocket) is compatible with most portable chargers on the market. USB charging electric heated body warmer vest will start heating slowly in 3-5 seconds when powered on, you just need to connect a power bank and turn on the button.
Lightweight Heated Vest: Soft Skin-Friendly and Washable, made of soft skin-friendly material which ensures smooth and comfortable touch feeling. Lightweight insulated for you to wear in many ways with unrestricted movement, Water and wind resistant.1 heated vest replace at least 2 of the heavy clothing.
3 heating zones and 5 temperature adjustments:3 carbon fiber heating elements generate heat at the waist and upper back; one button for 5 heating settings: allowing you to feel warm in 360°, efficient heating design even It can also be heated quickly in extremely cold weather.5 heating level from 40 °C to 65°C .You can change the temperature by pressing the button. High: (red light) , Medium high: (Green light) , Medium: (Blue light),Moderate:(White),Low(Yellow Light).
Adjustable size, no expansion: 3 adjustable sizes (L-XXL) for everyone. Even in the cold winter, you don't need to wear too much clothes, it is easy to do any activities.
Multiple uses: This heated vest is ideal for camping, hiking, skiing, fishing, hunting, daily office and business activities. Suitable for men, women, boys and girls. The ideal gift for family members, friends. This is also a good gift for family and friends.
When people go out in the cold winter, they usually need to wear a thick coat and become very fat. However, with our ultra-lightweight warm vest, you can wear less clothes. Heated pads also help promote blood circulation and relieve muscle pain. The best Christmas gift for parents and family.
The first gear(red light), the temperature is 65°C /149℉
The second gear(green light), the temperature is 55°C/131℉
The third gear(blue light), the temperature is 55°C/122℉ ,the fourth gear (white light),the temperature is 45°C/113℉，the fifth gear(Yellow light) ,the temperature is 40°C/104℉
Notes: there will be 2-4°C of error with different measuring instruments and measuring position!
How to use?
First step: please use this heating vest with portable charger.(the portable charger in is not included).
Second step: this vest will work normally when it is connected to the power supply, and the red light. White light, blue light goes out after 0.5 seconds without pressing the switch.
Third step: it will start to power on after long press the switch of vest for 3 seconds, then that will happen.
1x heated vest with USB cable
1X User Manual