This Mini HDMI2AV unit converts an AV resolution into an HDMI resolution, digital video and audio signal to analog composite video and R/L audio output. Light weight, portable, Plug-and-Play 
The unit comes with an USB power cable, but it still needs a 5V1A USB charger. If you don't have a USB charger to provide power, please do NOT purchase this item; get the H2STVs item, which comes with a power adapter. For example, when USB power is provided, it supports the newest MacBook Pro | iPhone | Kindle Fire HD | Chromecast 

Descriptions: 
 It supports AppleTV, DVD players, cable box, PS3, XBOX, Roku XS player, and the new Wii U console, etc. For signal stability and best A/V quality, please always use USB power input to avoid possible video and audio problem. If it doesn't work (such as when you see the vertical test pattern), ALWAYS make sure to use a 5V1A USB ch arger to provide power. 

Note: 
We have reports that this item may not support google nexus ta blet and blackberry playbook, to be safe, don't purchase this for them. 
 If your application doesn't have USB power, then please check the full size H2STVs unit, which comes with the 5V DC power adapter. 

Package include: 
 1X HDMI to Composite | AV Universal Mini Converter for PAL & NTSC Standard TV 

• HDMI to Composite | AV Universal Mini Converter
• For PAL & NTSC Standard TV
• It supports AppleTV, DVD players, cable box, PS3, XBOX, Roku XS player