Feature:1. [Comfortable Material] Made of high quality knitted fabric material, can be washed, soft folded, and feel the comfortable temperature at will.2. [Concealed Zipper] Magnet hot compresses and graphene hot compresses care for a healthier neck, and the concealed zipper can be removed at any time for washing.3. [3 Gear Adjustable] With three gear temperature adjustable, can care of the cervical spine, 1 key switch, graphene heating, simple and convenient.4. [USB Powered] Can be connected to a portable power bank (not included) via a USB cable to supply power. There is a concealed zipper pocket inside the scarf, you can put a mini power supply to heat the scarf at any time.5. [Timing Function] Intelligent heating system, you can easily adjust the heating time, to meet your various need.Specification:Item Type: Electric Heated ScarfPower Supply: 5V/1.5APower: 6WThree Gear Switch Temperature: 50-40-30Product Size: Approx. 85 x 11 cm / 33.5 x 4.3 inMaterial: Knitted fabricPower Supply Mode: Power bank (not included)Weight: Approx. 104g / 3.7ozColor: Gray.Package List:1 x Heated Scarf1 x ManualNote:Manual measurement has an error of 12cm