Usb Sound Card HFR8103 External Independent Sound Card DrivefreeFeatures:Support common speaker or earphone, microphone hole.Microphone recording and function,with LED light shows the workingAdvanced digital technology.Multi-channel technology realizes dynamic sound.Dynamically rotating sound field. Freely switchbetween speaker and headphonemode adjustment function of analogspeaker position.Convert analogsignal (microphone and music, broadcast into digital and save function.Specifications:Chip: HFR8103 USB ABS Size approx 5.1CMX2.2CMX1.2CM/2x0.87x0.47infor :USBpure digital sound output,enjoy virtual tracks for XP Win7Linux WinCE 6.0)/Android2.1, 2.3, Features 23 field for modes, 16 rhythm for modesPackage Includes:1 PC x USB to 3.5mm AdapterNote:Due problems of lighting effects and angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.