
Take it Anywhere
Muscle soreness doesn’t wait until you’re home—and neither should relief. Our product features a compact, lightweight design that makes it easy to take wherever life takes you. Use it at home, work, the gym, while traveling, or after a long day for targeted muscle stimulation whenever you need it.
Targeted Relief
Why settle for general relief when you can target the exact muscles bothering you? Our product delivers customizable electrical stimulation directly to sore, aching, and overworked muscles. With 24 modes, 20 intensity levels, and up to 4 electrode pads at once, you can target your back, shoulders, legs, knees, arms, and more.
Easy to Use
Getting targeted muscle relief shouldn’t be complicated. Which is why we feature a large LCD display and simple, intuitive controls that make finding your perfect setting effortless. Just place the pads, choose your mode, adjust the intensity, and relax.
Frequently Asked Questions
How does it work?
How does it work?
Symass uses TENS + EMS electrical stimulation delivered through electrode pads placed on the body. TENS is designed to help provide temporary relief to sore, aching muscles, while EMS stimulates healthy muscles to support muscle relaxation and recovery.
Can I target multiple areas at the same time?
Can I target multiple areas at the same time?
Absolutely! Symass features independent A/B dual channels and supports up to 4 electrode pads simultaneously, making it easy to target multiple muscle areas during the same session.
How long does the battery last?
How long does the battery last?
The rechargeable battery provides up to 30 hours of use on a full charge, so you won't have to constantly stop and recharge between sessions.
Can I take it with me when I travel?
Can I take it with me when I travel?
Absolutely! The lightweight 4.3-inch design makes Symass easy to keep in your gym bag, work bag, luggage, or backpack—giving you access to your muscle-relief routine at home or on the go.
Is it suitable for someone who's never used a TENS unit before?
Is it suitable for someone who's never used a TENS unit before?
Yes. Symass was designed with straightforward controls and adjustable intensity, so beginners can start at a comfortable lower setting and gradually adjust based on preference. Your included user manual explains proper setup and operation.
Are there people who shouldn't use a TENS/EMS device?
Are there people who shouldn't use a TENS/EMS device?
TENS/EMS devices aren't appropriate for everyone. Read all warnings and instructions before use, and don't place electrodes in prohibited areas. If you're pregnant, have an implanted electronic device such as a pacemaker, have certain medical conditions, or are unsure whether electrical stimulation is appropriate for you, consult a qualified healthcare professional before use.


