Enermax DreamBass Genie Sound Card with Earphones AP001-E Special Tube Design USB Audio with Latest VIA VT1620A chips Built-in Hardware Linear Headphone Amplifier with Flash LED playback indicator Rocking standalone Bass Booster at 80Hz, +6dB Compliant with USB Audio Class 1.0 ; Compatible with USB 2 and 3, Plug & Play, No driver required Support Stereo Input for line-in or Mic-in with 3.5mm connector and separate Stereo Output with 3.5mm phone jack Support 24/16 Bit, 16/32/48/96 KHz Playback and Recording, THD-N -80dB, SNR 95dB Support OS: Windows 7, Vista, XP, 2000, Mac, Linux Ultra-light in-ear earphones, deliver rich and clean audio sound and comes with tylish, tangle resistant cables