The board supports USB-5V input and can use power , computer USB ports, as power sources,Supports HDMIcompatible input and uses MINIHDMI socket for HDMI1.4 The thickness of the driveboard has been controlled to 5MM with regular 3.5 headphones or to external amplifier devices The amplifier outputs two channels with a spacing of 1.25-4P defined The LCD screen interface40PIN LVDS interface3.0 defined by EJ070NA-01J, withonboard two color LED lights This driver board, HDMIcompatible and TYPE0C, automatically recognizes and converts, and the signals in thefuture shallprevail, This driver board can support three resolutions:1024X600/1024X768/1280X800, with a backlit output of 9V-10V. If this is exceeded, it is not supporte Colour:Blue Material:PC Product appearance size 89.5x47.5x5mm/3.52x1.87x0.19inch Main control IC:RTD2556 input: Support USB-5V Power: 2X2W Board Length: 8.9cm/3.5inch Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Driver Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.