Special characteristicsWithout batteries, charger, including LXT adapter, in boxBattery connection on the side of the jumper.Comfortable heating from 4 heating elements, 1 on the abdomen, 1 on the back, and 2 at the wrists.Read the safety instructions and user manual carefully before use.Included adapter can also be used with our ventilated clothing.Preselection of three heating settings by button with LED indication of the selected setting.Heated undershirt made of thin and elastic material.Machine washable at a maximum of 30°C.Technical dataUSB port (mobile device charging): 1 Colour: black Tumble dry: Yes Washing instructions: 30 °C Voltage: 10.8-18 VOuter layer material: Polyester (100%) Heat settings: High/medium/low Lining: Polyester (100%) Runtime high (BL1040/41B): 03 : 30 hoursRuntime medium (BL1040/41B): 07 : 00 hoursPlatform: LXT / CXT Runtime low (BL1040/41B): 15 : 00 hours Documents User manual