FEATURE:1.Using polyester, waterproof and windproof, warm and breathable, comfortable to wear.2.3 carbon fiber heating zones eliminate muscle soreness.3.3 level temperature adjustment,the suitable gear can be selected according to the ambient temperature.4.Imported carbon fiber heating wire, fast fever5.The voltage of 5V2A battery is far lower than the safety voltage of human body.6.Velcro elastic design at cuffs for easy adjustment of cuff size.SPECIFICATION：Material: PolyesterWeight: 2.5LbUse time: 10000mAh power bank, 4-6 ​​hoursVoltage: 5VCharging port: USBSize: L, XL, 2XL, 3XL, 4XL, 6XL, 8XLPACKAGE：1 * Heated jacketNOTE:1.Machine washable, hand washable.2.Please do not wring dry by hand.3.Power bank is not included4.Before washing clothes, take out the mobile power supply to prevent water from entering.5.The use time depends on the actual capacity of the power bank.