Product Features:

1. The smart electric heating vest features three levels adjustable temperature. Low level: about 45°C; Medium level: about 52°C; High level: about 60°C.
2. The whole body can be washed.
3. It features carbon fiber heating, which is safe and low-voltage.
4. It features a adjustable zipper on the side waist, so that it can be adjusted according to body size.
5. It uses the power bank for power supply(the power bank is not included.) The voltage output is below 7.4V.
6. There is a USB cable in the pocket, which can be used to connect the power bank.
7. Long press the button for two seconds to start up. Press the button once to adjust temperature(high, medium and low). Long press the button for two seconds again to shutdown.

Product parameters:

1. Size: S/L
2. Material: Polyester + Carbon Fiber
3. Suitable for: cycling, leisure, unisex, etc.

Packing list:

1*USB heating vest