B-Stock, the t.bone SC 440 USB studio condenser microphone with USB interface - includes plastic case and shockmount, super-cardioid, Frequency Range: 20 - 18.000 Hz, 134 dB SPL max, -13,3 [dB re 1V/ Pa], incl. Case, Compatible with Windows 2000/XP/Vista/WIN 7/Mac OS X and Logic / Garageband, Attention - not compatible with WIN 8 and 8.1!, B-Stock with full warranty, may have slight traces of use