The Four Channel TENS DIGITENS® 4s is a highly advanced device that offers pain relief through electrical stimulation. With four separate channels, it can be used to treat multiple areas of the body simultaneously, making it ideal for athletes or those with chronic pain. The device is easy to use, with a simple interface and customizable settings to accommodate different levels of pain. It is also portable and rechargeable, making it convenient for use at home or on-the-go. With its high-quality construction and advanced features, the Four Channel TENS DIGITENS® 4s is an excellent choice for anyone seeking drug-free pain relief.