HDMI to Micro-USB/MHL Samsung Galaxy S2 Smartphone adapter! True and fast digital conversion for your mobile device using official chipset. The ONLY Micro USB to HDMI high speed device certified as 1.4a (42gbps) Supports HD video formats: 720p, 1080i, 1080p, 1440p, 1920p, 2160p, and 3D! Triple shielding rejects external noise &amp; clutter. HDTV Easy Smart Adapter may require a micro-usb power source depending on your device. Connects to MHL Device to accept a Directn HDMI cable connection