Model:B6548DF8379FG7233 Size: S=Bust 102cm63cm M=Bust 106cm65cm L=Bust 110cm67cm XL=Bust 114cm69cm 2XL=Bust 118cm71cm 3XL=Bust 122cm73cm 4XL=Bust 126cm75cm 5XL=Bust 130cm77cm 6XL=Bust 134cm79m 7XL=Bust 138cm81cm Features 1.1 minute quick heat, Zone 9 Heated vestcold and warm. 2. Set the temperature you want to respond to various environments. 3. One-key heating, three-speed temperature control, intelligent heating. 4. Can be machine washed or hand washed. Do not twist by hand. 5. Universal USB interface for power supply, longer service life, anti-splashing, washable. 6. Fashionable, warm, comfortable and breathable, it is a good partner for you to go out in winter. Specifications: 1.Style:Sleeveless vest 2. Material: polyester 3. Color: Black 4. Size: S-8XL 5. Power supply: 5V/2A mobile power supply (not included) 6. Temperature difference (manual adjustment) 7. Warm color: 56 (red light) 8. Comfort: 46 (white light) 9. Energy saving: 39 (blue light) Package Contents: 1 * Heated Vest (excluding power bank)