Cozy warmth: The Comfort Heat technology radiates cozy warmth on the face, neck, and shoulders, spreading throughout the body. Strong performance: The lithium-ion battery powers the fan for up to 6 hours, making the wireless neck heater ideal for extended use. Hands-free design: With a lightweight and compact build, the neck heater provides comfortable warmth without restricting movement—perfect for work, walking, outdoor sports, and other activities. Flexibly adjustable: Features a flexible and extra-soft heating plate for optimal wearing comfort. The neck strap allows easy adjustment around the neck and offers 4 individually adjustable heat settings. Color: Gray & Black Material: ABS Size: 16 x 5 x 17.6 cm Package Contents: 1 x Neck Heater 1 x USB Cable Note: Light reflection and differences in display screens may cause slight variations in color. Measurement error is permitted within +/- 1-3 cm.