Special featuresWithout batteries, charger, includes CXT 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.Included adapter can also be used with our ventilated clothing.Three heat 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.Technical dataRuntime high (BL1040/41B): 03:30 hoursVoltage: 10.8-18 VDrying in dryer: Yes Heat settings: High/medium/low Color: black USB port (mobile device charging): 1 Runtime medium (BL1040/41B): 07:00 hoursLining: Polyester (100%) Washing instructions: 30°C Runtime low (BL1040/41B): 15:00 hoursPlatform: LXT / CXT Outer material: Polyester (100%) Documents User manual