Wireless back and neck massage with rechargeable battery. Equipped with 2 built-in 2500 mAh lithium batteries for power supply. You can enjoy up to 70-80 minutes of relaxation massage after full charge. Perfect for home, office, car, and travel use. 4D Deep Kneading Shiatsu Massage. The shiatsu back, shoulder, and neck massager with 8 powerful deep kneading massage nodes helps you better relieve muscle pain, neck stiffness, and fatigue. In addition, there are 2 massage modes and 2 massage intensities that can be adjusted, allowing you to choose the mode or intensity that suits you best for the massage. Shoulder Shiatsu massager with soothing heat. Back massager with built-in 2-level heating function, providing soothing heat therapy, transferring a gentle and warm massage to your body, relieving sore muscles and promoting blood circulation. Premium material and enhanced design. The back neck massager is made of high-quality PU leather, which is firm and durable. The handles on both sides extend for added comfort. Perfect gift and easy to use. The massager is a great gift idea for your loved one on their birthday, Thanksgiving Day, or Christmas, etc. You can simply operate it through the buttons on the control panel. 10-minute timer for safe use. Measurements: Width 16 cm, Height 16.3 cm, Length 23.3 cm, Weight 1.5 kg