Specification:
Type: USB 3.0 To HDMI Audio Video Adaptor
Material: ABS
Supports video output: HDMI signal.
Size: 1.85x1.46x0.51in(47x37x13mm)
Cable length: approx. 20cm
Net weight: 1.4oz(41g)

Features:
Supports USB3.0 interface of desktop or laptop.
High-definition display, resolution up to 1920 * 1080.
The USB 3.0 - HDMI adapter enables you to connect additional.
HDMI output port support 1.65 Gbps / 165 MHZ / 24 bits of bandwidth.
Can support or extend the image, maximum support 1080P resolution HD audio and video signals.
Deliver high-definition audio video sources in computer to your HDTV or monitor, so the external video displaying problem of the computer will be solved easily.

Tips:
If found it can't convert picture well, please check if you plug the adapter on a USB3.0 port or not. And check the HDMI extend cable version you using, the HDMI version at least be V1.3 or higher, or it can't support high resolution data transmission.
If your computer have USB 2.0 port only, USB2.0 port the max resolution only 800*600.
In order to ensure the imaging quality of 1080P, both access devices and output devices need to support 1080P.