Material: polyester fiber silver-coated inner layer high-quality filling cotton colour: black size: a m europe and america xl japan and south korea b l europe and america xxl japan and south korea c xl europe and america xxxl japan and south korea d xxl europe and america xxxxl japan and south korea fever in zone 11: abdomen*2 waist*2 back*2 shoulders*4 neck*1. 3 Levels of temperature control: energy saving mode blue light 25 c comfortable mode white light 35 c warm mode red light 45 c. Applicable crowd: adult male female or older children design: detachable hat large-capacity zipper pocket practical and intimate inner pocket. Applicable scenarios: outdoor and indoor activities such as fishing cycling skiing and watching games. Fever attention: when the heating suit is hot it needs to be connected to the mobile power supply disconnected it will not heat . Please take out the mobile power supply not included before cleaning insert the usb plug into the inner bag and put it in the laundry bag before machine washing. Note on power usage: 5v 10000ma or larger usb port power bank is required.On power usage: 5v 10000ma or larger usb port power bank is required.1*Heated jacket 1*user guide