The Wireless Electronic Neck Massager 4D Shiatsu Cervical Massager is a revolutionary product designed to provide effective and convenient neck massage therapy. With a battery capacity of 600 mAh, this massager has a long life span of approximately 10 days. It offers 6 different massage modes and 20 levels of intensity, allowing you to customize your massage experience according to your needs. The thermal temperature of the massager reaches up to 42°C, providing soothing heat therapy for stiff neck muscles. This product includes one Cervical Massager and is perfect for those seeking pain relief and improved neck health.