Package content: 1x host 1x electrode pad 1 controller 1x charging cable WIRELESS RECHARGEABLE FUNCTION: No wires, easy to carry, easy to carry. Built-in rechargeable battery, can be charged via the USB interface, more environmentally friendly and energy efficient. Wear comfortable clothing when you need it to relieve pain for hours. Not only suitable for use at home or at work, but also for on the go and on the go HIGH QUALITY FABRICS AND ADVANCED TECHNOLOGY: The outside of the patch is made of synthetic leather, soft, skin-friendly and comfortable to use. The perfect combination of traditional and high-tech massage, micro-electric pulse massage technology and manual massage simulation to achieve a massage effect. Effectively relieves muscle pain and fatigue. Start the intelligent massage with just one button, simply toggle EASY TO USE: The mini back / neck massager has various adjustable buttons, so you can simply press the + or - button to control the intensity of the massage and control the intensity levels and massage modes. You can modify and adjust your own comfort levels to relieve persistent pain AUTOMATIC SWITCH OFF FUNCTION: The massager has an automatic switch-off function. After a 15-minute massage, the operation will stop automatically, so you can experience the best massage time and prevent excessive massage. You don't have to worry about a long-term massage, it can save you time SUITABLE FOR MULTIPLE PARTS OF THE BODY: Suitable for fitness, problematic or stressed areas, pain and stiffness. Generally, if you use more than 20 times, the gel's conductivity will decrease due to sweating or repeated adhesion. It is recommended to buy it with the replacement gel