1. Comfortable material and washable: The heated scarf is made of breathable and ultra-light material. Comfortable cotton blend with moderate stretch. The entire scarf can be washed repeatedly, it is easy to clean, and you are not afraid of sweating when using it. 2. Perfect Gift: A great Christmas gift to keep your loved ones warm in winter. Also suitable for birthdays and other occasions. Ideal for cycling, hiking, camping, fishing, and other outdoor activities in autumn and winter. 3. Rapid heating: After pressing for 3 seconds, you can feel the warmth spreading on your neck, promoting blood circulation and helping you feel comfortable and relaxed. Features a 45-minute automatic shut-off and overheat protection for safety. 4. 3-level heating: Three temperature settings at approximately 55°C, 48°C, and 42°C. Easily adjusted with one button, making it simple to operate for elderly users and children. 5. USB powered: Uses a 5V mobile power supply (battery not included). Once connected via USB cable, it can be used with power banks, personal computers, or other 5V low-voltage devices for safe operation. Specifications: Material: Polyester Color: As shown in the picture (Due to differences between monitors, there may be slight color variations. Please confirm you accept this before ordering.) Packing weight: 90 g Packing size: 15 x 10 x 3 cm (Please allow 1–3 mm variation due to manual measurement. Please confirm you accept this before ordering.) Package Includes: 1 x Heated Scarf (Batteries not included)