Description: USB rechargeable hanging neck warmer can be used indoors and outdoors, and it can not only heat the neck, but also the knees and hands. The USB rechargeable hanging neck heater can warm you up in the cold winter. Innovative U-shaped design fits the curve of neck, hands and knees. No matter where you are, it can provide heat and relieve fatigue, muscle stiffness and general neck pain The USB rechargeable neck warmer has a power battery with a capacity of 4800mAh, which has a long battery life. Temperature control protection, overcharge protection and overdischarge protection. The heating plate adopts the above-mentioned protective measures to maintain a constant temperature Adjustable heat: Three temperature options (37C, 45C, 55C) are provided to adapt to different skin tolerances and avoid burns due to high temperature in winter. Specification: Material: Plastic Aluminium alloy Battery capacity: 4800mAH Temperature adjustment: 37C, 45C, 55C Gears: 3 Gear Voltage: 5V 2A Model: T8 T66 Power: 8W max Interface: Type-C Size Chart: 179×178×55mm/7.05×7.01×2.17inch Package Includes: 1 Piece Hanging Hand Neck Warmer 1 Piece USB cable 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!