Bullet Points: 1. Targeted Heat Therapy: The neck heating film can provide comfortable warmth in minutes, stimulate blood circulation, and relieve stiffness and soreness. To ensure a better feeling, you can slightly adjust the magic band to better fit your neck. 2. 3 Heat Settings: With automatic shutdown, the 3 heat settings function provides customers with a comfortable temperature. Plus 30-minute auto-off and overheat protection to ensure safety. 3. USB Powered and Portable: The neck heating pad is USB powered and can be easily connected to any computer, mobile power source, USB adapter, or car charger. Lightweight and portable, it can be used in the office, at home, and when traveling. No matter where you are, it can relieve fatigue, muscle stiffness, and general neck pain. 4. Great Benefit: Graphene Infrared Heating, USB Interface, Safe 5V 2A Power Supply, USB Port Power Supply: The massage pad is powered by a USB port and can be charged by computer, laptop, mobile power supply, USB adapter, or car charger. A USB adapter is included in the package. Portable design allows you to enjoy neck massage anytime, anywhere. Specifications: Name: Electric Heating Neck Protector Color: Black Fabric: OK stretchy fabric Rated voltage: 5V Power: 2A Heating temperature: 70℃ Net weight: about 0.13 kg, about 0.4 kg after packaging Temperature adjustment range: 30-70℃ Body care parts: neck protector Product function: hot compress, moxibustion Features: graphene infrared heating, USB interface, 5V 2A power supply Fabric material: OK fabric and flannel two kinds Controller gear: three-speed timing Control wire length: about 1.5 meters/59.06 inches Color classification: black without power bank Applicable people: Suitable for office workers, drivers, outdoor sports, travel, and other people. Packing list: Graphene Electric Heating Neck Protector Infrared Neck Protector * 1 Neck Protector * 1 Instructions * 1 Moxa Pad * 1 Connection Line * 1 Certificate of Conformity * 1