12 documented devices
Optima TENS
American Imex
A-TENS+
American Imex
Bio TENS 2
American Imex
HANTherapy
American Imex
Interferential Stimulator
American Imex
Interspec IF II
American Imex
Optima EMS/TENS Combo
American Imex
Pain Care
American Imex
Pain Care One Touch
American Imex
R-STIM digital
American Imex
Myo Trac
American Imex
Myo Trac Infiniti Dual sEMG
American Imex