Item Type: Heated Vest Material: Polyester fiber Operating Temperature Range: About -5 to 40 Waterproof Class (IP): Class 3 Power Supply: 5V/2A mobile power supply (excluded) Temperature Change: Manual adjustment Warm File: 45 (red) Comfort Mode: 35 (white) Energy Saving Gear: 25 (blue) Uses: Fashionable, warm, comfortable and breathable, it is a good companion for going out in winter. 1[All Round Heating] There are ten heating pieces in the vest, covering most places, giving you all round warmth and care. 2[3 Temperature Adjustment] The vest can be heated with one button, with three speed temperature control, intelligent heating. 3[Waterproof] The waterproof level of this vest is class 3, which has a certain waterproof effect and can be worn with confidence. 4[Infrared Heating] The heating film adopts imported carbon fiber heating wire, which is infrared heating and does not harm the human body. 5[Warm and Cozy] This heating vest can be paired with any outfit and is suitable for winter wear, warm and comfortable.1. The size corresponds to the Asian size, and the European and American sizes need to be two sizes larger. 2. Cleaning instructions: It can be machine washed or hand washed, please do not wring it out by hand.1 x Heated Vest