Special characteristicsWithout batteries, charger, including 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 on the wrists.Read the safety instructions and user manual carefully before use.Included adapter can also be used with our ventilated clothing.Three heating settings pre-selection 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 (BL1460B): 05:30 hoursOperating time medium (BL1040/41B): 07:00 hoursVoltage: 10.8-18 VTumble dry: Yes Color: black USB port (charging mobile device): 1 Operating time high (BL1040/41B): 03:30 hoursOperating time low (BL1460B): 23:00 hoursHeat settings: High/medium/low Lining: Polyester (100%) Outer material: Polyester (100%) Platform: LXT / CXT Operating time high (BL1860B): 07:30 hoursOperating time low (BL1040/41B): 15:00 hoursOperating time medium (BL1460B): 10:30 hoursWashing instructions: 30 °C Operating time low (BL1860B): 33:00 hoursOperating time medium (BL1860B): 16:00 hours Documents Instruction manual