This wireless TENS unit muscle stimulator offers an effective and convenient solution for pain relief therapy. Designed to use electrical pulses to stimulate muscles, it helps alleviate pain, making it an ideal choice for those suffering from various types of discomfort. The device is rechargeable and portable, ensuring that you can easily charge it with the included USB cable and use it anywhere, anytime—perfect for on-the-go pain management. Specifically designed to target pain in the back, shoulders, and cramp areas, this versatile TENS unit provides relief for both chronic pain and muscle soreness. With 5 different modes, you can personalize your therapy to find the most effective electrical stimulation pattern, allowing for a tailored approach to your pain relief needs.