Premium Electrode Pads:Experience all-day adhesion with 4 medical PET TENS pads (2 of 1-piece butterfly shape 5.2 x 2.4 and 2 of 2-piece line 3.5 x 2.8). Premium gel stays secure through intense workouts, yet allows painless removal from skin. Relieves muscle aches and pains in the shoulders, lower back, arms and legs. When the electrode pads lose adhesion, rinse it with water, scrape off surface residue, then air-drying, adhesion will renew, enabling reuse for 60+ cycles. (ASIN:B0BT8WFFR7, B0CLHPSC2L)TENS EMS Massage 3-in-1 Machine: As a professional electric shock therapy, Comfytemp Cordless TENS Units combine TENS, EMS, and MASSAGE therapies, making it a smart 3-in-1 TENS device. Accurately targeting your various needs, effectively relieving pain, increasing blood circulation, accelerating muscle recovery, and soothing massage to alleviate muscle soreness.Stable Connection: The TENS machine for pain relief uses a super-strong suction buckle to connect the host and the electrode, making the connection stable and not easy to fall off. Even in sports do not need to worry, you can use it in running, fitness, playing badminton and other sports, is a real sense of wireless intelligent tens massage.Relaxation in Control: Easy to switch between the therapies and modes, and we offer 10-60 minute timing for you to choose from. In addition, the one-click stop function can end use at any time, giving you the greatest sense of security, even if it is the first time to use people do not have to worry.Note: The TENS device must download the APP to use, does not support remote control.