When a lot of people hear about EMS training for the first time they think of these popular wearable devices. There are several major differences between these and Tummo whole body EMS training. Wearables are passive devices, that only offer localized stimulation to a specific area. They are generally set to one frequency, and don’t require any effort from the user. Little results can be expected from these devices. Simply put, a wearable cannot deliver a workout.