How To Use:

1.Take out USB plug
2.Plug in removable charger
3.Switch on the removable charger
4.Press the chest temperature control switch for two second
5.Red light flashing,means heating automatic
6.After red light flashes for 5 minutes,then automatic turn to white light,means medium temperature
7.Manual adjustment has three level,red light means hign-temperature heating continuously.
White light means medium heating continuously,blue light means low heating continuously
8.Press the chest temperature control switch for two second,lights out and stop heating

Temperature Shift(Manual adjustment)
Warm:45 ℃ (Red Light)
Comfort:35 ℃ (White Light)
Energy Saving:25 ℃ (Blue Light)
Specifications:
Style: Sleeveless Vest

Material: Polyester
Color: Black, Blue
Size: M/L/XL/2XL/3XL/4XL
Power Supply Interface: USB
Function: Keep warm, Anti water splashing and Prevent cold

9 zone heating

This model is an upgraded version. The heating effect is the best. It can reach the whole body heating state. There are original heating elements on the front and back. At the same time, the power consumption is also very fast. It can also produce effects at extremely low temperatures.

Note: Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement. 

Size Information:

Size: M, L, XL, XXL, XXXL, XXXXL

Note:
1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement.
2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service.
3.As you know, the different computers display colors differently, the color of the actual item may vary slightly from the following images.

Packing list:

Cotton clothes*1

Product Image:

Full image: