Meet the Mytrex EMS Heat Stretch: an electrical muscle stimulator for your lower back muscles that helps relieve your pain. It warms up your muscles and tones them with EMS. It has 6 different EMS modes and 16 EMS levels.
More gadgets like this ➡️ : here
This wearable device has 6 timer settings. It weighs only 360g. You can find out more about it here.
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