Which certificates do we have?

We have obtained so many certificates, such as ISO13485, Medical CE, FDA 510 K so on to ensure our quality and safety, so our customers could use and buy it freely.

What is TENS?

TENS stands for "Transcutaneous Electrical Nerve Stimulation" – a safe, non-invasive, drug-free method of pain relief used by physical therapists and prescribed by doctors for over 30 years. Most users’ feedback show that it is a really effective pain management tool. Chosen by sufferers of neck pain, back pain, shoulder tension, tennis elbow, carpal tunnel
syndrome, arthritis, bursitis, tendonitis, plantar fasciitis, sciatica, fibromyalgia, shin splints, neuropathy and many more injuries and disabilities.

How TENS Works?

TENS works by passing harmless electrical signals into the body from its pads. This relieves pain in two ways: Firstly, "high frequency" continuous, mild, electrical activity may block the pain signal travelling to the brain. Brain cells perceive pain. Secondly, TENS stimulates the body release its own natural pain-control mechanism. "Low frequency" or short bursts of mild, electrical activity may cause the body to release its own pain easers, called beta endorphins.


Never use this product in concurrence with the following devices: pacemakers or any other embedded electronic medical devices, heart-lung machine and any other life keeping electronic medical devices, electrocardiograph and any other medical screening and monitoring devices. Simultaneous use of DOMAS TENS and any of the above devices will cause malfunction and can be very dangerous to the users.

Is it safe to use ROOVJOY tens unit?

Electronic stimulation is quite safe in general, but the above contraindications should be followed during using or consulting the professional doctors. Don`t dismantle the unit and needs to be installed and put into service according to the EMC information provided, and this unit can be affected by portable and mobile RF communications equipment.

About electrode pads?

They could be put in each muscle and point. Keep the pads away from heart, positions above head and neck, throat and mouth. The best way to relieve pain is to put the pads in the relative pain points. Pads can be used for 30-40 times at home, it depends on different situations. In hospital, they can only be used for not more than 10 times. Therefore, the user should begin to use it from the lowest strength and speed to increase step by step to reach a better status.

What can I get from you?

Excellent products (unique design, advance printing machine, strict quality control) Factory direct sale (favorable and competitive price) Great service (OEM, ODM, after-sales services, fast delivery) Professional business consultation.

What’s the difference between R-C101A, R-C101B, R-C101W, R-C101H?
Modes LCD Programs Intensity level
R-C101A TENS+EMS+IF+RUSS 10 Body part display 100 90
R-C101B TENS+EMS+IF+RUSS Digital display 100 60
R-C101W TENS+EMS+IF+RUSS+MIC Digital display 120 90
R-C101H TENS+IF 10 Body part display 60 90