Feature:
1.1 Minutes fast heat, dispelling cold and keeping you warm.
2.Set the temperature you want to respond to a variety of environments.
3.A button to heating, three stall temperature control, intelligent heating.
4.It can be washed by machine and can be washed by hand. Do not wring it by hand.
5.General USB interface power supply, longer service life,anti water splashing and washable.
6.The fashion is warm, comfortable and breathable, and it's a good partner for your winter going out.

Specification:
Style: Sleeveless Vest
Material: Polyester
Color: Black/Blue
Size: M/L/XL/2XL/3XL
Power Supply Interface: USB
Power Supply: 5V/2A Mobile Power(Not Included)
Function: Keep warm, Anti water splashing and Prevent cold

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

Washing instructions:
1.Take out removable charger.
2.Neutral detergent is available and then hand wash.
3.Do not force knead or beat.
4.After nature air drying can be use.

Package Contents:
1*Sleeveless Vest(Mobile Power Not Included)

Size: inch
M: length 26''，chest 43'', shoulder 16.8'', collar height 3''
L: length 27.1'',  chest 44.5'', shoulder 17.3'', collar height 3''
XL: length 28'', chest 46'', shoulder 17.8'', collar height 3''
XXL: length 28.7'', chest 47.6'', shoulder 18.2'', collar height 3''
XXXL: length 29.5'', chest 49.2'', shoulder 18.7'', collar height 3''

Note:
1.All pictures are professionally color-coded, but due to the different ambient light and different display device settings, there may be some deviations between the pictures you see and the items themselves. Please understand.
2.The data is measured manually, there may be some deviation, but it does not affect the use.