Note:

(1)Battery not included

(2)If you feel the vest does not heat better,pls Change a higher output power bank model.  22.5W Power bank heat the best.

(3)you can use 5V/2A,5V/3A,12V/1.5A,9V/2A, 9V/2.2A,12V/1.67A,4.5V/5A,4.5V/5A,7.4V/3A power bank.(10W,15W,18W,20W,22.5W power bank is suitable for 2/4/8/9 zones heated vest)

(4)please use power bank with high USB Power Delivery（unit：W）， The higher the USB Power Delivery, the higher the heating temperature.

output Power (W)=Voltage (V) * Current (A).for example ：output power 10W=5V*2A   / output power 22.5W=5V*4.5A

It is Asian Size,It is2-3 Size Smaller than Europen Size,Please Choose 2-3 Size Bigger than Your Normal Size.

Note：

①We are Asian size, it is 2-3 sizes smaller than European size.

②For Men,We Suggest to choose 2-3 Size bigger than your normal size.For Example:Men model : 180CM, 85KG: size :4XL; Men  model: 175CM, 75KG :Size 2XL

③For Women,We suggest you choose 1-2 Size Bigger than your Normal Size.For Example:Women model: 160CM, 55KG :Size M

④ Please choose the correct size according to our size chart and height and weight recommendations.

How to Use:

1. Take out the USB cable from the inner pocket and plug in the power bank.

2. Press and hold the button for 3 seconds,start preheating. If you need to adjust the temperature, you can short press to select the heating level.

3.You can trun switch to red state and keep for 5 mintues,it will heat up fast.

4.The vest cannot store electric energy,when you use it,you need to contact the power bank all the time.if your power bank is out of power,it will stop heat,you need charge your power bank,then connect the vest again.