The AirTurn AT-104 is a wireless page-turning transceiver for Windows PC computers. Ideal for musicians who need to read digital sheet music while keeping their hands on their instruments, the AirTurn AT-104 works with the two included ATFS-2 silent pedals mounted on a non-slip pedal board for forwards and backwards page turns (the right pedal turns pages forwards, and the left pedal turns pages backwards). AirTurn AT-104 FeaturesEasy to use with no software to install! Simply plug the receiver into the USB port of your Windows or MAC PCand connect the transmitter to the two mounted ATFS-2 silent pedalsThe AirTurn AT-104 can be used with one ATFS-2 pedal to turn pages forwards only, or with both ATFS-2 pedals to turn pages forwards and backwards.Each transmitter and receiver is paired with a unique ID, allowing for multiple AirTurns to be used in the same space. Perfect for bands and large music ensembles.The AirTurn AT-104 transmitter runs on 2 AA batteries for up to several weeks at a time (actual usage may vary).Approximately 100 foot wireless operating range between transmitter and USB receiver.ATFS-2 Silent PedalsAirTurn has designed its ownfootswitch, the ATFS-2, with ground-breaking proprietary "mechanism-free" momentary switch technologies for completely silent operation. Perfect for musicians who need to eliminate the sounds of page turns, the ATFS-2 is crafted from high-strength plastics and features no squeaky hinges or switch "clicks" to trigger page turns. Its low profile makes it easy and discrete to tap.Software CompatibilityThe AirTurn AT-104 is compatible with Windows Vista, Windows 7, Surface RT and Windows 8 only-not compatible with Windows XP or iOS devices like the iPad