•10 seconds fast heating constant warm temperature for travelling •3-speed temperature control button one-touch temperature control •5V safety voltage only thermal conductivity not conductive •Applicable scenes outdoor sports / daily leisure •Waterproof, warm, wear-resistant, anti-static, moisture wicking, anti-fouling and decontamination Specifications: •Fabric: Polyester •Suitable season: Winter •Applicable voltage: 5V 1A •Three temperature control: high gear 55℃, medium gear 45℃, low gear 39℃ •Operating temperature range: about -5℃ to 40℃ Size (cm): •M: Length 71, Hem 107, Bust 110, Shoulder 49, Sleeve 60.5 •L: Length 73, Hem 111, Bust 114, Shoulder 50, Sleeve 62 •XL: Length 75, Hem 115, Bust 118, Shoulder 52, Sleeve 63 •2XL: Length 77, Hem 119, Bust 122, Shoulder 53, Sleeve 64 •3XL: Length78, Hem123, Bust126, Shoulder54, Sleeve65 •4XL: Length 79, Hem 127, Bust 130, Shoulder 55, Sleeve 66 •5XL: Length 80, Hem 131, Bust 134, Shoulder 56, Sleeve 67 Note: These sizes are manually measured, there are 1-2cm errors, Thanks for your understanding. Package included: •1 x Electric Heating Coat •Other items not included