B-Stock, Airturn Quad (BT-105 Digit 4 ATFS-2), wireless Bluetooth Controller with 4 ATFS-2 Pedals and Pedal Board, useable as Page Turner for sheet music or any other digital documents, for control teleprompter apps, remote control for iTunes on all iOS devices including iTunes for Mac and PC with Bluetooth 2.1/2.0/1.2/1.1, control iOS cameras for remote video and picture snapshots, works with different iPad and Android apps and Adobe Acrobat, Microsoft Word, PowerPoint and Keynote for PC and Mac Bluetooth equipped computers, 6 silent membrane buttons, power switch, status indicator light, 5 keyboard profiles, internal rechargeable battery with a mini USB recharging port., B-Stock with full warranty, may have slight traces of use