Specifications:utUsed to extract digital audio signals from HDMI signalsThe output mode can use I2S/fiber/coaxial, which is used to connect the decoder to improve the sound quality. HDMI also supports MHL dual-mode input, indicating that it can also connect the mobile phone with MHL output, support 3D, CEC function.Most device connections do not require separate power supplies, and external power supplies (DC 5V) can be used if the player is underpowered.Feature:HDMI input, HDMI output, coaxial output, fiber output, I2S output, HDMI OVER I2S outpCondition: and Manufacture:China,Chinese Factory Homegrown products for SaleFriendly Tips:Please allow minor error of measurement,due to manual measurement.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understandingPackage Included1*B Board onlyor 1*B Board (finish)+ Box Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.