Special featuresExcluding batteries, charger, including CXT adapter, in boxBattery connection on the side of the shirt.Comfortable heating due to 4 heating elements: 1 on the stomach, 1 on the back and 2 at the wrists.Read the safety instructions and operating manual carefully before use.Supplied adapter can also be used with our ventilated clothing.Three heating settings can be pre-selected 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.SpecificationsWashing instructions: 30 °C Operating time low (BL1460B): 23:00 hoursOperating time high (BL1040/41B): 03:30 hoursOuter material: Polyester (100%) Voltage: 10.8-18 VHeat settings: High/medium/low Operating time medium (BL1040/41B): 07:00 hoursOperating time high (BL1460B): 05:30 hoursLining: Polyester (100%) Operating time high (BL1860B): 07:30 hoursOperating time medium (BL1460B): 10:30 hoursPlatform: LXT / CXT Operating time low (BL1040/41B): 15:00 hoursColour: black USB port (for charging mobile devices): 1 Operating time medium (BL1860B): 16:00 hoursOperating time low (BL1860B): 33:00 hoursTumble dry: Yes Documents Instruction manual