The Blackline from Prorelax.there is good news for sporty people with style - the new Blackline from Prorelax is here. These are fitness products of the newest generation, which are not only very powerful, but also look damn cool. Whether hobby sportsmen or professionals - the new Blackline is made for everyone who loves pure black looks and does not want to make any compromises with their fitness equipment. Prorelax Duo Comfort Blackline. Double performance with EMS + TENS.the Prorelax Duo EMS + TENS Blackline is the indispensable training partner for active people who demand performance and attractive design. The certified medical product CE class IIa is a high-quality stimulation current body shaper, which trains, shapes and helps against pain. By choosing between 2 effective programs (EMS + TENS) you can enjoy an effective training session anytime and anywhere. The Prorelax Duo EMS + TENS Blackline is not called Duo for nothing. It offers 2 training functions in one compact device. The EMS function serves for relaxation, build-up and training of the muscles. For example, the device is ideal for shaping and building biceps or abdominal muscles. The device is also very effective for large muscles like thighs, joggers massage and relax their legs after a run. And if necessary, the TENS function with gentle stimulation current relieves persistent chronic pain. The black body-shaping device is designed for active people who want something special. In addition to the two channels, it has 8 different programs and a 12-step timer for individual training. In addition, intensity and treatment time can be programmed according to personal requirements. Prorelax also offers extensive EMS + TENS accessories for the Duo Comfort EMS + TENS Blackline, such as exchange electrodes.