2PC Usb Smart Neck And Shoulder Winter Cold Protection And Warmth Men And Women Scarf Massage Heating Scarf Features: 1. This product does not have a power storage function, and it needs to be connected to the power bank continuously when using it. 2. The needs to be for 30 seconds to start, and the heating will start the display is displayed. If the display is not on, it means that it has not started normally. 3.All are measured by hand, there may be 1-2 cm deviations 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures 5.The picture shown is not the actual size of the item,It is may bigger than the actual, so read the descriptions, sizes and quantities carefully to avoid disappointment! Product Description: Usb Smart Neck And Shoulder Winter Cold Protection And Warmth Men And Women Scarf Massage Heating Scarf Features: new and Style:Cute Material: cotton New fashion design, Very popular Elegant design, can put in your bag when needed at any time Size:80X10cm Package Include: 2 PC Scarf