This USB to HD video capture supports 4K input and loop out and syncng output audio and video. And you can use mic whenplayinggames and stream it in real time. Besides, you can press the mute button to record video without its background sound.

Feature:
4K Input&Loop Out
With it, you can mirror your minor screen to a large one and it supports syncing output of audio and video.

Real-time Live Streaming
With this adapter, you can play games on your phone, and stream it on a computer in real time.

Video Capture
With USB interface, it enables you to capture videos with resolution up to 1080P60Hz.

Mute Function
You can press the button to mute the background sound of HD video when capturing.

Support Audio in& Out
It support mic in and headphone out, conforming to CTIA standard.

Specification:
Interface: USB output, HD output, HD input, Line in, audio port
OS: Compatible with Windows 7,8,10,Mac OS X 10.9
Laptop: Intel Core i7-3537 2.0 GHz or above
NVIDIA GT735 or above
4G RAM
Desktop: Intel Core i5-3400 or above
NVIDIA GT630 or above
4G RAM
Mac: i5 quad-core and above with graphicscardcompatible with DirectX10, sound card
4G RAM
Resolution: HD (Input&Output) 720 x 480 (60p), 720 x 576 (50p), 1280 x 720p (50p), 1280 x 720p (60p), 1920 x 1080 ( 24p), 1920 x 1080 (25p), 1920 x 1080 (30p), 1920 x 1080 (50p), 1920 x 1080 (60p), 3840 x 2160 (30p), 3840 x 2160 (60p)
Recording resolution: Max 1080P60Hz
Item size: 9.5* 6.9* 1.6cm/ 3.74* 2.72* 0.63in
Item weight: 89.5g/ 3.16oz
Package size: 15.5* 10.5* 4.2cm/ 6.1* 4.13* 1.65in
Package weight: 181.2g/ 6.39oz

Packing list:
1 * Video Capture
1 * USB cable
1 * User manual