Enjoyment docking series, deep grey color, aluminum alloy material, type-C USB, 4K HDMI / VGA / RJ45 gigabit output, 3.5mm audio, SD card, micro SD card, 5V - 20V working voltage, <450mAh quiescent current, 17 cm cable length, compatible with Windows 10 / 8 / 7 / XP and Mac OS, over current / reverse current and short circuit protection, anti-skid silicone, 280 x 80.5 x 18 mm dimensions.