Smart neck massager with heating function, wireless 3D travel neck massage equipment, remarkable cervical massage effect William electric neck massager simulates real massage, helping to relieve neck pain, shoulder fatigue, body tension, and improve sleep quality. Promote blood circulation. Wetting the neck where the first two metal pads touch will make you feel stronger. Optimal comfort This neck-back massager with breathable soft silicone adopts ergonomic design, high-elastic frame technology, smart 3D suspension design and 4-point fixed design to better fit your neck. This stylish cordless neck massager adopts a unique earphone style, with an exquisite design and a lightweight design, only 160g, suitable for commuting, shopping, etc. 107F Fomentation The neck massager has built-in advanced sensors that can precisely control the temperature range and avoid overheating. Key guidelines It is forbidden to implant a pacemaker or carry metal in the body. The massage function is mainly aimed at the neck and cannot directly massage the neck and shoulder joints. The pulse massage mode is different from the traditional physical massage mode. Long battery life This 3D neck massager has a built-in 1500 mAh rechargeable lithium battery and a standard Micro USB interface, which effectively prevents overcharge and overdischarge. It can be used for 4 hours on a single charge. Packing list 1*Massage 1*USB 1*User manual The neck and shoulder joints cannot be massaged directly. The pulse massage mode is different from the traditional physical massage mode. Long battery life This 3D neck massager has a built-in 1500 mAh rechargeable lithium battery and a standard Micro USB interface, which effectively prevents overcharge and overdischarge. It can be used for 4 hours on a single charge. Packing list 1*Massage 1*USB 1*User manual The neck and shoulder joints cannot be massaged directly. The pulse massage mode is different from the traditional physical massage mode. Long battery life This 3D neck massager has a built-in 1500 mAh rechargeable lithium battery and a standard Micro USB interface, which effectively prevents overcharge and overdischarge. It can be used for 4 hours on a single charge. Packing list 1*Massage 1*USB 1*User manual