The SM9910 is a classic home therapy device known for rock-solid reliability. Designed for pain relief, relaxation, and muscle training, it has consistently ranked among the industry's top 10 bestsellers — with a loyal customer base that keeps coming back for repeat purchases.

The SM9910 is a wired TENS + EMS unit combining pain management with muscle stimulation. Two independent channels, 24 modes (6 main modes × 4 sub-modes), and 20 intensity levels cover everything from chronic pain to post-workout recovery.


TENS blocks pain signals for fast relief, while EMS drives gentle muscle contraction for training and recovery. An adjustable timer and blue backlit display make every session simple to control.



| Item | Parameter |
| Product Name | SM9910 TENS EMS Unit |
| Channels | 2 independent channels |
| Modes | 24 (6 main modes × 4 sub-modes) |
| Intensity | 20 levels |
| Battery life | Built-in lithium battery; approx. 10 hours of continuous use |
| Display | Blue backlit screen + adjustable timer |
| Certifications | FDA, MDL |

Custom branding and private label available — 20+ years of manufacturing experience, golden supplier of Amazon Top 10 sellers.
1. How long does the battery last? Up to 10 hours of continuous use on a full charge — no sudden power loss mid-session.
2. What can it be used for? Pain relief, relaxation, and muscle training — a proven all-rounder.
3. Can I sell it under my own brand? Yes. Full OEM/ODM service — custom logo, packaging, and private label.
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