Special characteristicsWithout batteries, charger, includes LXT adapter, in boxBattery connection on the side of the shirt.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.Supplied adapter can also be used with our ventilated clothing.Pre-selection of three heating settings via 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 dataOperating time high (BL1040/41B): 03 : 30 hoursLining: Polyester (100%) USB port (charging mobile device): 1 Colour: black Volts (voltage): 10.8-18 VDrying in the dryer: Yes Operating time low (BL1460B): 23 : 00 hoursOperating time medium (BL1860B): 16 : 00 hoursOperating time low (BL1860B): 33 : 00 hoursHeat settings: High/medium/low Outer layer material: Polyester (100%) Operating time high (BL1860B): 07 : 30 hoursPlatform: LXT / CXT Operating time low (BL1040/41B): 15 : 00 hoursOperating time medium (BL1460B): 10 : 30 hoursOperating time medium (BL1040/41B): 07 : 00 hoursOperating time high (BL1460B): 05 : 30 hoursWashing instructions: 30 °C Documents User manual