Medcursor SM9187 Wireless TENS/EMS Muscle Stimulator with App Control

Muscle Stimulator: The Medcursor SM9187 wireless TENS unit combines TENS, EMS, and RELAX modes with app-based session controls. The set is described as including two wireless units, each controlled independently, with 25 intensity levels and eight target areas. Its stated runtime varies by intensity, and the units cannot be used while charging.

At a glance

Three listed modes: TENS, EMS, and RELAX. The manufacturer describes them respectively for pain-signal blocking, muscle contractions, and rhythmic massage.
The app is described as controlling mode, target area, intensity, and session duration. Guest Mode is offered without creating an account.
The listing claims two wireless units with independent controls, eight target areas, and 25 intensity levels.
Hydrogel electrode pads are claimed to be reusable for over 30 sessions, and the connection uses a magnetic clasp.
Manufacturer-stated battery life ranges from up to 12 hours at L1 to 4 hours at L25. The device cannot be operated or connected to the app while charging.

Price

$42.49Save 15%

Reference price: ~~$49.99~~

Price checked: Nov 14, 2026

View offer

Often bought together

Medcursor TENS Unit Replacement Pads, 8-Pack Electrode Pads with Strong Magnetic Snap, Biocompatible Hydrogel, Reusable 30 Times, Upgraded Self-Stick Performance, Compatible with Medcursor TENS Units

$21.97

Pros and cons

Pros

Two wireless units with independent control can support sessions on different body areas, according to the listing.
Three distinct operating modes and 25 intensity levels offer more adjustment choices than a single-mode stimulator.
Guest Mode provides an app option that does not require creating an account.
The claimed 0.83-ounce weight and compact listed dimensions suit carrying between locations.

Cons

App access is necessary for controls described in the listing, and the device is unavailable for use while charging.
Advertised runtime decreases with intensity, from up to 12 hours at L1 to 4 hours at L25.

Technical specifications

14 specifications

Identity
Brand listed by manufacturer	Hong Qiangxing (Shen Zhen) Electronics Limited
Model	SM9187

Dimensions and installation
Dimensions and weight listed	1.97 x 0.55 x 1.96 inches; 0.83 ounces

Modes and controls
Modes	3 modes
Target areas	8 target areas
Intensity levels	25 intensity levels
Control	App control

Battery and charging
Claimed battery runtime at L1	up to 12h at L1
Claimed battery runtime at L25	4h at L25
Charging time	2h fast charge
Use while charging	THE DEVICE CANNOT BE CONNECTED TO THE APP OR USED WHILE CHARGING

Included configuration claims
Wireless units in package	this package includes 2
Supported device connections	Supports up to 4 devices

Battery
Battery listing	1 Lithium Ion batteries required. (included)

What to know before buying

Listing details to confirm

The listing recommends sessions under 30 minutes. Battery-life figures are manufacturer claims and depend on intensity. The device is stated to ship with approximately 50% charge and cannot be used or connected to the app while charging. The listing calls the brand Medcursor but identifies the manufacturer as Hong Qiangxing (Shen Zhen) Electronics Limited.

Who is it for?

A good fit for

Buyers looking for a portable, app-controlled stimulator with TENS, EMS, and RELAX modes.
People who want two independently controlled wireless units and adjustable intensity for different target areas.
Users comfortable relying on a phone app for session settings and progress records.

Less suited to

People who need to operate the device while it is charging.
Buyers who prefer a stimulator with controls that do not depend on an app.

Medcursor SM9187 Wireless TENS/EMS Muscle Stimulator with App Control · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 16 ratings

5 stars52%52%
4 stars48%48%
3 stars0%0%
2 stars0%0%
1 star0%0%

Aggregate ratings are positive overall, with ratings split between four and five stars in a small sample. This offers limited reassurance but does not establish customer views about the app, battery life, pads, or different modes, so buyers should treat those feature statements as listing claims rather than reported customer experience.

Frequently asked questions

What modes does the Medcursor SM9187 offer?

The listing identifies TENS, EMS, and RELAX modes, with app controls for mode, target area, intensity, and session duration.

How many wireless units are included?

The feature listing says the package includes two units, each controlled independently. It also says the system supports up to four devices, but that does not mean four are included.

How long does the battery last?

The manufacturer claims up to 12 hours at L1 or 4 hours at L25. These figures are intensity-specific, and the listing recommends sessions under 30 minutes.

Can it be used while charging?

No. The listing says it cannot be connected to the app or used while charging.