LongTime Electronic Technology Limited

Professional Multi-Interface 4K60 Capture

Single-Channel 4K60 Multi-Interface USB Capture Box

Designed for professional 4K video workflows, this external USB capture device combines switchable HDMI 2.0, DisplayPort 1.4a, and Type-C inputs with HDMI loop-through. It supports input and capture up to 4K60, YUY2, MJPEG, RGB24, I420, NV12, and P010 formats, embedded audio, microphone input, and audio output. USB 3.0 5Gbps and UVC/UAC enable driver-free multi-platform deployment, while up to 100W PD capability and an SDK support professional integration.

HDMI / DP / Type-C InputsUp to 4K60HDMI Loop-throughUSB 3.0 5GbpsUVC / UACUp to 100W PD

KEY ADVANTAGES

Flexible Connectivity and Professional 4K60 Capture

Three Video InputsSwitch among HDMI, DisplayPort, and Type-C sources for flexible connectivity.

Capture up to 4K60Supports input and capture up to 4K60 for recording, preview, and streaming.

Flexible Video FormatsSupports YUY2, MJPEG, RGB24, I420, NV12, and P010 for broad workflow compatibility.

HDMI Loop-throughOutputs the selected signal to a local display while capturing over USB.

Complete Audio I/OSupports embedded audio, an independent microphone input, and 3.5mm audio output.

Driver-free and SDKUVC/UAC simplifies deployment, while the SDK supports professional integration.

Single-channel 4K60 multi-interface USB capture box

Original-Photo Product View

Compact Single-Channel 4K60 USB Capture Box

HDMI IN · DP IN · Type-C IN · HDMI OUT · USB 3.0 · PD 100W

The dual-level interface layout separates video input and loop-through from USB, PD, and audio connectivity, making the unit suitable for production desks, streaming, conference recording, testing, and OEM systems.

Switchable HDMI, DP, and Type-C video inputs

Input and capture up to 4K60 with HDMI loop-through

YUY2, MJPEG, RGB24, I420, NV12, and P010

Embedded audio, microphone input, and audio output

WORKFLOW

From Video Source to Professional Applications

Standard USB video and audio interfaces simplify deployment, while on-device detection, scaling, and deinterlacing reduce host-side processing.

01 · SourceSelect an inputConnect an HDMI, DisplayPort, or Type-C source; one input is selected at a time.

02 · MonitorConnect HDMI outputUse HDMI OUT for local monitoring when required.

03 · HostConnect USB 3.0Use the 5Gbps USB 3.0 interface with Windows, macOS, Linux, or Android.

04 · SoftwareCapture, stream, or developSelect the device in OBS, VLC, vMix, or an SDK-based application.

CORE SPECIFICATIONS

Technical Specifications

Product Type	Single-channel 4K60 multi-interface USB capture box
Host Interface	USB 3.0, 5Gbps; USB 2.0 compatible
Video Inputs	1× HDMI, 1× DisplayPort, and 1× Type-C; switchable
Input Standards	HDMI 2.0 and DisplayPort 1.4a
Video Loop-through	1× HDMI output
Maximum Input	Up to 4K60
Maximum Capture	Up to 4K60
Video Formats	YUY2, MJPEG, RGB24, I420, NV12, and P010
Video Standard	UVC; DirectShow compliant on Windows
Audio Capture	Microphone input and embedded audio from HDMI, DP, or Type-C
Audio Output	3.5mm audio output
Audio Format	UAC, 48kHz, 16-bit; DirectSound compliant on Windows
Video Processing	Automatic input detection, scaling, and hardware deinterlacing
PD Port	Up to 100W PD capability
Power	USB bus powered; auxiliary power supported when required
Operating Systems	Windows, macOS, Linux, and Android
Software	OBS, VLC, vMix, Wirecast, and other standard capture applications
Development	Standard DirectShow interface and secondary-development SDK
Dimensions	144.4 × 96.6 × 20.5 mm
Device Power	≤2.0W, excluding the PD load
Operating Temperature	0–85°C
Storage Environment	−20–70°C; 5%–90% relative humidity

APPLICATIONS

Professional 4K Capture and System Integration

4K StreamingVideo ProductionConference RecordingEducationMedical ImagingDevice TestingMachine VisionOEM / ODM Integration