Describe Color: green,red feature: 1. Quickly fever and relieve neck pain. It can effectively relieve cervical pain or damage and maintain the same posture for a long time. 2. Promote blood circulation. Heating through electricity to reduce neck pressure. 3. Adjust the three -stage temperature through the timing function. Meet the temperature needs of different people. 4. Ergonomic design,soft flange fabrics,friendly skin. 5. It can be adjusted,suitable for most people. The total length of the magic sticker design is 52 cm. 6. Portable. Small size,easy to carry when going out. 7. Multiple charging methods. You can use charger,mobile power and computer charging. 8. Suitable for all kinds of people. Especially office staff,drivers,teachers,elderly people and people who are accustomed to looking down at mobile phones. When used,please pay attention to the following items: If you need to clean,clean it with a beautiful brush after the power is closed. Do not wash hands and machine washing. After washing,it must be completely dry before power supply; Electric heating products can only use the power cord we provide; Do not use when you sleep at night to avoid burning; Do not use this product in wet water; When the staff leaves,please remove the power plug and disconnect the power; In order to suffer from heart disease,hypertension,diabetes,anemia,patients with pregnant women and babies stand out Use children with caution; if necessary,follow the doctor's advice. Comment: 1. Manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the differences between different display,the image may not reflect the actual color of the item. thank you very much! 3. SKU color is the color of the product packaging The package includes: 1*neck support 1*Charging cable 1*Bread 1*manual 1*box