LN-S355 4K USB Endoscope | OEM, Wholesale & Multi-Department Clinical Supply
LN-S355 4K USB endoscope for ENT, urology, gynecology, and joint basic examination. Supports macOS, Windows, Android, and USB-in devices. 4K UHD, WDR, 8-level brightness, optical adapters, IP67, OEM/ODM and bulk supply
The LN-S355 is a portable USB endoscope positioned for distributors, OEM partners, and bulk buyers serving multi-department clinical examination. It is suitable for ENT, urology, gynecology, and joint/orthopedic basic checks, subject to local regulations. The platform connects to macOS, Windows, Android, and USB-in enabled displays, allowing clinics to use existing computers, laptops, tablets, or panel PCs.
The device combines an imported image chip, 3840×2160P 4K resolution, ultra-wide WDR, 8-level brightness adjustment, 8× electronic zoom, freeze frame, and manual/auto white balance. Its ultra-light ergonomic handle supports long clinical use, and the IP67-rated body can be cleaned with alcohol wipes or low-temperature plasma sterilization. A carrying case is included for mobile and field deployment.
The LN-S355 also features a 2-meter anti-interference cable with a durable jacket to resist breakage from repeated use. It requires no additional software — connect it to a computer and it is ready for viewing. Optional optical adapters are available in F20MM, F22MM, F25MM, F28MM, and F14-35MM mount sizes for focus adjustment.
| Model | LN-S355 |
| Best for | ENT, urology, gynecology, joint/orthopedic basic examination |
| Host systems | macOS, Windows, Android, USB-in displays |
| Image quality | 3840×2160P 4K |
| Processor | Imported image chip |
| Light balance | Ultra-wide WDR |
| Zoom | 8× electronic zoom |
| Brightness | 8-level adjustment |
| On-screen tools | Freeze frame; manual/auto white balance |
| Protection | IP67 |
| Cleaning | Alcohol wipe; low-temperature plasma |
| Cable | 2 m anti-interference, durable cable |
| Transport | Carrying case supplied |
Multi-Department Clinical Platform
The LN-S355 can be positioned for ENT, urology, gynecology, and joint/orthopedic basic examination. This helps distributors serve different clinical departments with one portable USB scope.
Host-Agnostic Video Output
The device sends video to macOS, Windows, Android, and USB-in enabled screens. It works with common clinic computers, laptops, tablets, and panel PCs.
4K Imaging Pipeline
3840×2160P 4K output and an imported image chip deliver highly detailed visual feedback for routine clinical viewing.
WDR Image Balance
Ultra-wide WDR helps retain detail across bright, dark, and reflective areas, which is useful in different clinical environments.
8-Level Brightness Adjustment
Clinicians can choose from 8 brightness levels to match different tissue surfaces, working distances, and lighting conditions.
Zoom and Focus Flexibility
Users can apply 8× electronic zoom for close-up review. Optional optical adapters adjust focus for different working distances. Available mount sizes include F20MM, F22MM, F25MM, F28MM, and F14-35MM.
Freeze Frame and White Balance Control
Freeze frame supports discussion and documentation. Manual or auto white balance adapts to different lighting conditions.
4. Product Applications
Medical Distributors
A portable multi-department scope for clinics, mobile care providers, and teaching institutions, subject to local regulations.
ENT, Urology, Gynecology, and Joint Basic Examination
Supports basic visual examination across these departments when used within local medical rules.
OEM & ODM Projects
A base platform for private-label endoscope programs, custom kits, and channel-specific packaging.
System Integrators
Useful for integrating visual examination into clinic computers, tablets, and USB-in display workflows.
Wholesale & Bulk Supply
Suitable for dealers who need a compact USB endoscope with broad device compatibility.
Demo and Sample Programs
The carrying case and plug-and-display design make it convenient for sales demonstrations and clinical trials.
OEM & ODM Development
Custom logo, packaging, manual, cable, optical adapter options, and accessory bundles can be discussed.
Technical Documentation
Spec sheets, connection guides, and cleaning instructions are available for channel partners.
Bulk Order Support
We support volume pricing, production planning, and mixed accessory kits for wholesale programs.
After-Sales Coordination
Warranty and service terms are defined in the sales contract. Contact our team for details.
Accessory Supply
Carrying case, connection cable, optical adapters (F20MM, F22MM, F25MM, F28MM, F14-35MM), and alternative lens configurations can be supplied.
| Identity | Model | LN-S355 |
| Identity | Product type | Portable USB endoscope |
| Imaging | Resolution | 3840×2160P 4K |
| Imaging | Image chip | Imported chip |
| Imaging | Dynamic range | Ultra-wide WDR |
| Imaging | Brightness adjustment | 8 levels |
| Imaging | Digital zoom | 8× electronic zoom |
| Imaging | Focus adjustment | Optional optical adapter |
| Imaging | Optical mount sizes | F20MM, F22MM, F25MM, F28MM, F14-35MM |
| Imaging | White balance | Manual / Auto |
| Imaging | Freeze frame | Supported |
| Cable | Length | 2 m |
| Cable | Performance | Anti-interference; durable jacket for long-term use |
| Software | Requirement | No additional software needed; connect to computer and use |
| Compatibility | Operating systems | macOS, Windows, Android |
| Compatibility | Host devices | USB-in enabled devices |
| Protection | Rating | IP67 |
| Protection | Cleaning | Alcohol wipe; low-temperature plasma sterilization |
| Handling | Handle design | Ultra-light ergonomic |
| Packaging | Carrying case | Included |
| Business | Customization | OEM/ODM; wholesale; sample testing |
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.