Blue Yeti USB Microphone, Blackout Edition (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Tri-capsule array - 3 condenser capsules can record almost any situation. Multiple pattern selection - cardioid, bidirectional, omnidirectional & stereo Gain control, mute button, zero-latency headphone output. Requires a minimum of 64 MB of RAM Perfect for vocals, musical instruments, podcasting, voiceovers, interviews, field recordings, conference calls; Plug n play  Mac OS X (10.4.11 or higher) and PC (Windows 8.1, 8, 7, Vista, XP). Bit Rate: 16bit