<p>This Physiotherapy TENS EMS Unit is a 4-channel rechargeable muscle stimulator designed to provide relief from back, neck, and joint pain. It features 15 pre-programmed massage modes, including kneading, gua sha, and acupuncture, and 30 levels of adjustable output intensity. The device is compact, portable, and easy to use, making it perfect for relieving muscle tension and pain at home or on the go.</p><p>The device has a built-in rechargeable 2000mAh lithium battery and comes with a timer function that allows you to set the treatment time to 10, 20, or 30 minutes. It also has independent four output channels, allowing you to massage multiple areas at the same time or use it with family members.</p><p>To use the device, simply turn it on, select the desired mode and intensity, and place the electrodes on the affected area. The device will do the rest, providing a soothing and relaxing massage experience.</p><p>Please note that this device is not intended for use by individuals with pacemakers, pregnant women, or persons lacking conscious awareness. It is also not recommended for use during driving, sleeping, exercising, or bathing.</p>