Special features: Without batteries, charger, includes LXT adapter, in box.Battery connection on the side of the shirt.Comfortable heating from 4 heating elements, 1 on the abdomen, 1 on the back, and 2 on the wrists.Read the safety instructions and user manual carefully before use.The included adapter can also be used with our ventilated clothing.Three heat settings pre-selection via a button with LED indication of the chosen setting.Heated undershirt made of thin and elastic material.Machine washable at a maximum of 30°C.Technical data:Operating time medium (BL1860B): 16:00 hoursOperating time low (BL1860B): 33:00 hoursOperating time high (BL1040/41B): 03:30 hoursOuter layer material: Polyester (100%)Voltage: 10.8-18VOperating time high (BL1860B): 07:30 hoursOperating time low (BL1040/41B): 15:00 hoursOperating time medium (BL1460B): 10:30 hoursPlatform: LXT / CXTLining: Polyester (100%)Heat settings: High/medium/lowOperating time medium (BL1040/41B): 07:00 hoursOperating time high (BL1460B): 05:30 hoursTumble dry: YesWashing instructions: 30°COperating time low (BL1460B): 23:00 hoursColour: BlackUSB port (for charging mobile devices): 1Documents: User Manual