[USB DAC Audio Converter]Transfer The Computers Audio Signal Through The USB Port, Covert Audio to Optical, Coaxial, 35mm or 63mm Headphone JackCan Also Be Used As An External Sound Card.(Note:51 Channel Is Incompatible, Please Set The Audio Output to PCM or LPCM)[16-300 Ohm Hi-Fi Headphone Amplifier ]Supports Most Headphones of High Impedance 16-300 ohm, Signal-to-noise Ratio more than 100Db, THD + N = 00003%, Fully Filter Noise, Enjoy High-quality Audio.[USB Input Volume Control for Headphone Sound]USB inputs,With the Volume Control Knob That You Could Adjust the headphones Volume ,[Good Compatibility]Compatible with both Windows and System, For best playback in WindowsCompatible with , PS3, 360, One S,Which Can Be Connected Your Headphones by USB DAC for Playing Games.[Plug and Play]No Driver Required, Plug-and-play for Audio playing and Compliant with All Mainstream Operation Systems. No External Required Provides The Easiest Way to Convert Your PC into A Hi-end Music Server.Colour: blackMaterial: plasticSize: 106x66x255mmPackage Contents:1 * audio converter(The silk screen is slightly different from the factory)1 * 35mm adapter1 * USB cable1 * English Instruction manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

Note:Shipping time is 5-12 days