UGREEN Mini DP to HDMI Cable 4K Mini DisplayPort (Thunderbolt) to HDMI HDTV Cord 6FT USE : Mini displayport to hdmi cable connects Mini DisplayPort/Thunderbolt port compatible PCs to an HDTV, monitor, or projector with HDMI port. FUNCTION : Mini DP to HDMI cable transmits both audio and video only from Mini DisplayPort/thunderbolt port to HDMI, it is not a bi-directional. Ugreen mini dp to hdmi cable supports uncompressed audio such as LPCM and compressed audio such as DTS Digital, Dolby Digital, include DTS-HD and Dolby True HD. 4K RESOLUTION : UGREEN mini DP to HDMI cable supports video resolutions up to 3840x2160 (4K) and flawless audio pass-thru for uncompressed digital 7.1, 5.1 or 2 channels. MATERIAL : Triple shielding, oxygen free copper and gold plated connectors resist corrosion, provide rigidity, and improve the signal performance. COMPATIBLE DEVICES: Compatible with ThinkPad X1, DELL XPS14z, XPS15, Macbook AIR, Macbook Mac mini, iMac MB413/MB418/MB420/MB466/MB467/MB470/MB471 and so on. Apple devices released before April 2010 do not support audio out and will not transmit sound from Mini DisplayPort. Mini DisplayPort that supports both audio and video is only available on Apple devices that are released after April 2010. Please make sure your device is compatible before purchasing this product.