Meet the Ya-Man Medi Karada Walk: an electrical muscle stimulation trainer and stepper that keeps your feet moving to promote better blood circulation while giving your muscles a workout. It has 15 EMS levels. It has 3 modes for you to choose from (release, fit, walk).
The Ya-Man Medi Karada Walk has a rechargeable battery that lasts up to 4 hours. You can find out more about it here.