ITEM SPECIFICATIONECIFICATION Model TB-QSY99-019 Product input HDMI Product output VGA+Audio Model HDMI Female to VGA Female Converter Adapter Product Demision(mm): 48 x 16 x 23; Weight: 12g, Colour Black&White Condition New Support HDMI V1.3 /3D Length of the audio cable 100mm/ 3.3ft System requirements • convert VGA+Audio output through a standard definition of HDMI HD digital signal input • Perfect for connecting HDMI device to VGA device like PC monitor, projector, TV, etc Package content • 1 x HDMI to VGA Video adapter • 1 x 3.5mm AV Video Cable • Quantity 1 Package • Retail Box/Crystal box packing /PE bag PANEL DESCRIPTION Front Rear 1. Input Prot: HDMI Female Port, Output Prot: VGA Female Port 2. Built-in Chipset ,High-definition resolution of 720p or 1080p. 3. Compliant with HDMI 1.3 standard AV Video Cable Plug and Play, PRODUCT DESCRIPTION This kind of HDMI Type to VGA converts digital HDMI signal into analog VGA video.No need extra power, from HDMI power. Convert the HDMI output port on your laptop or another equipment to an analog VGA input with the HDMI to VGA Conversion Adapter. it can not work only with audio output. When you just connect the audio output(like earphone ,speaker ) and without any device of VGA output ,the HDMI input signal is not actived and all signal has closed . So it does not support only with audio output . But you does not connect the auido output ,and just connect the VGA device .The vga device can works. Note: it can not work only with audio output. 1. Setting the resolution of HDMI source do NOT be OVER the maximum resolution of Monitor/TV. 2. This converter can NOT extract audio only through HDMI source without connecting VGA port. Please connect all input/output interface ( HDMI,VGA,3.5mm Jack) to make it work perfectly. Please do NOT short out the bottom two connections on the VGA side to get audio to work avoiding damaging your devices.