Features: 1. Fast fever and relieve neck pain. It can effectively relieve cervical pain or injury caused by maintaining the same posture for a long time. 2. Promote blood circulation. Built-in moxa bag, through electric heating, relieve neck pressure. 3. Three-stage temperature adjustment with timing function. Meet the temperature needs of different groups of people. 4. Ergonomic design, soft flannel fabric, skin-friendly. 5. The size is adjustable, suitable for most people. Velcro design, total length 52cm. 6. Portable. Small size, easy to carry when going out. 7. A variety of charging methods. You can use charger, mobile power and computer to charge. 8. Suitable for a wide range of people. Especially office workers, drivers, teachers, the elderly, and people who are used to looking down at their mobile phones. Package includes: 1* Neck brace 1* Charging Cable 1* Wormwood Bun 1* manual 1* Box Please pay attention to the following items when using: If you need to clean, please clean with a fine brush after power off. Hand wash and machine wash are prohibited. After washing, it must be fully dried before powering on; Electric heating products can only use the power cord provided by us; Do not use when sleeping at night to avoid burns; Do not use this product in wet water; When personnel leave, please unplug the power plug and disconnect the power supply; Disabled for patients with heart disease, hypertension, diabetes, anemia, pregnant women, and infants Use with caution for young children; if necessary, follow the doctor's advice.