MHL HDMI Adapter Cable:To connect the mobile devices to HDTV as to veiw on the larger monitor for enjoying the entertainment. With Standard USB Port:Keep your phone being charged while connected the standard USB port to power source. Mirror your Samsung Galaxy S3 S4 Note 2 through the standard HDMI output on a compatible TV. Your Mobile to the HDTV directly Connects USB2.0 cable Power Adapter for charging Note and Instructions: 1)Some contract machines(like N7102 / N7108 / N5110 and so on) don"t have the MHL function, and can Not use this cable. 2)Some devices need to set it to "USB debugging mode". 3)Tune your TV to HDMI mode. 4)Important: Plug USB cable to your charger, do not connect the computer because the product need at least 1A current and general PC is only 500mA. You should see your device in charging mode now. This cable DOES NOT support Galaxy S1 S2. Compatible to: Samsung Galaxy S3 S4 Note2 Note3 i9300 i9500 N7100 N9006 Sprint L710 att i747 Verizon i535 T-Mobile T999 New Specifications: Interface: MHL specification v1.0 Bandwidth: 25MHz-75MHz Connectors: Micro USB (in), HDMI (out), USB 2.0 (power) Power Supply: 5 V DC up to 0.1A from USB 2.0 Length: 6.5 feet HDMI cable and 2.6 feet USB cable