Tens Unit Machine Impulse Massager 10 Modes Pain Relief Body Massager Machine Muscle Stimulator w/ 4 Outputs and 8 Electrode Pads For Relief RelaxingOur tens unit machine impulse massager, designed with 10 working modes, 10 60mins adjustable time setting, 20 level intensity, 4 electrode outputs and four electrode wires (with 2 connectors per electronic wire), you can select your preferred mode and intensity, which stimulate your acupoints and muscles from injuries and soreness from a long day of work or excessive sports and keep them supple and relaxed. 4 partners or friends can be used at the