Good for you.... Buy  99.9% new with a discount...

MXL Quality control considered this item a "B-Stock" for whatever reason.  Fully inspected it would be really hard to find a flaw. However, in the nature of being B-Stock, do expect a minor cosmetic issue with the unit and/or packaging. Thus,  it will have absolutely no impact on the functionality or performance of this microphone. Otherwise, this microphone is brand new and carries a full manufacturers warranty.

The MXL AC-410W is a wireless boundary mic, similar to the popular MXL AC-404, utilizing 2.4GHz spread spectrum frequency to transmit secure, clear sound, without any wires. Great for conference rooms and connected classrooms, the AC-410W will pickup audio within 25', in an 180 degree arc with 20' reception to USB-powered receiver unit. sturdy metal construction with convenient mute button for enhanced flexibility and durability.

• 2.4 GHz spread spectrum wireless audio for clear and secure wireless sound
• Transmitter uses 2 AA Batteries (rechargeable or disposable), receiver powered via USB
• 25 foot, 180 degree pickup, 20 foot receiver range
• Works great with Skype, Google Hangouts, and other web conferencing services