Feature:Support headset and microphone dual function (PS: You need to wear a headset with mic to achieve voice function);Suitable for more devices, plug and play (support for Apple headsets);Specification:Color: black/ silver/ grey/ goldMaterial: aluminum alloy casingConnector type: USBSupported channel: 7.1 channelChip: DPD8102Notes:1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.Packages:1 x External Sound Card