Good Neck Warmer: This rechargeable neck heater can quickly heat up in a few seconds. Used for neck spasms, arthritis, relieving pain, stiffness, and muscle tension. Suitable for adults and children to enjoy the warmth of winter. Quick Heating and Adjustable Temperature: Long press the switch button to start heating. It can immediately provide you with heat in a few seconds without waiting too long. 4055 can be freely adjusted. The current temperature will be displayed digitally on the left screen. Handsfree and Portable Design: The intelligent neck warmer is a wearable design that frees up your hands and allows you to do everything at once. Suitable for use in offices, camping, hunting, skiing, fishing, shopping, heating, travel, and more. Excellent Effects: Conductive hot compress effectively promotes circulation, relieves shoulder and neck pain, and alleviates discomfort in the knee due to old cold . Winter Gift: A portable neck heater will be an excellent present for women and children in outdoor cold , Christmas, birthdays, festivals, anniversaries, celebrations, camping, hunting, skiing, fishing, and more. Your family, loved , and friends will be happy to receive it. Colour:Gray-Black Material:ABS Package Contents: 1 * Electric Neck Heaters 1 * USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.