1、Extended heating scarf, about 4 meters long, is suitable for everyone to wear. 2、Adopts 3‑speed temperature control, red 55℃, white 48℃, dark blue 42℃, you can choose at will. 3、Using high‑quality crystal super soft velvet material, it is comfortable to wear and skin‑friendly. 4、Support USB connection power bank power supply (power bank not included), easy to use. 5、Can heat and keep your neck warm, suitable for outdoor travel, camping, skiing and other activities in winter. 1 x Scarf Condition: 100% Brand NewItem Type: ScarfMaterial: Crystal Super Soft VelvetFunction: Neck heating to keep warmGear Position: 3 Gears, red 55℃, white 48℃, dark blue 42℃Instructions: 1. Connect the USB cable to the power bank(not included) to heat up 2. Short press to switch temperatureWeight: Approx. 400g / 14.1ozProduct Length: Approx. 2.4 m / 7.9ft