You can easily connect wirelessly to iPad/iPhone music apps such as KORG Gadget, KORG Module, and GarageBand, as well as any MIDI-capable music production software on your Mac or Windows. Painstaking tuning of the Bluetooth capabilities means high stability and low latency, no strings – or wires – attached. Lasts a month between battery changes With an average of one hour of use per day, the batteries allow approximately one month of operation. And best of all, the microKEY Air runs on just two AA batteries. To USB or not to USB? MicroKEY Air can also be connected via a traditional USB cable. Since the microKEY is USB bus-powered, you only need a single USB cable to connect it to Mac or Windows. There's no need to install a driver; just connect it to your computer and start playing. The second generation newly supports connection to iPad and iPhone. Add an Apple Lightning - USB camera adaptor and one USB cable and your setup is complete, allowing you to access apps such as KORG Gadget, KORG Module, and GarageBand. Compact and playable Natural Touch Mini Keyboard KORG’s Natural Touch mini keyboard has been carefully designed to assure playability while staying compact, and makes it easy to play chords or rapid phrases. Choose between 25, 37, 49 or 61-key configurations to suit your specific playing style and space/travel requirements. Connect a pedal, and enjoy full control functionality The 37, 49, and 61-key models provide an assignable switch jack for connecting a damper pedal. The 25-key model provides a sustain button that implements the damper function. On all models, you can use the octave buttons in conjunction with the key transpose function to play MIDI's entire range of notes. The 37, 49, and 61-key models provide pitch bend and modulation wheels. The 25-key model provides a joystick that can also control pitch bend and modulation, as well as an arpeggiator function, giving you full control in spite of this model's space-saving dimensions, and providing a wealth of performance expression. Lavish array of powerful music software bundled free of charge The microKEY comes with a serious collection of powerful music software titles including popular special editions of KORG Gadget and KORG Module plus the KORG Legacy Collection M1 Le which includes a plug-in version of the classic KORG M1 instrument. With microKEY Air you won't have to purchase additional software; you can start creating music right away. Complete Music Production Suite Software Bundle Software for Mac/Windows KORG Legacy Collection - M1 Le (synthesizer sound module) KORG Gadget 2 Le for Mac UVI Digital Synsations (synthesizer sound module) AAS Ultra Analog Session (synthesizer sound module) AAS Strum Acoustic Session (acoustic guitar sound module) AAS Lounge Lizard Session (electric piano sound module) Propellerhead Reason Limited (DAW music production software) Ableton Live Discount coupon (DAW music production software) Melodics (Keyboard and finger Drums lesson) Skoove ( Interactive Piano lesson, 3 month trial ) iZotope Ozone Elements (Audio Mastering plug-ins software) Apps for iPad/iPhone KORG Module Limited (piano/eyboard sound module app) Dedicated editor software “KORG KONTROL Editor” is provided By using the dedicated KORG KONTROL Editor for Mac/Windows you can customize the keyboard to your preferences, including fine adjustments to the velocity curve. SPECIFICATIONS Natural Touch mini-keyboard Pitch bend wheel, Modulation wheel, Octave Shift buttons Octave Shift: -4 – +4 Assignable switch jack, USB Type B (x1) Wireless Type: Bluetooth Low Energy (Apple Bluetooth Low Energy MIDI specification compliant) Power Supply: Two AA batteries (when connected wirelessly; use alkaline or nickel-metal hydride batteries) USB bus power (when connected via USB) Power Consumption: Less than 100mA Battery Life: Approximately 30 hours (use alkaline batteries) Dimensions (W x D x H): 565 x 139 x 54 mm Weight (without batteries): 1.0 kg Included Items: USB cable, KORG Software Bundle code Operating Requirements (wireless connection): Windows: Windows that supports Bluetooth 4.0 or later, and has Windows 8.1 or later (32-bit / 64-bit) [KORG BLE-MIDI Driver is required] Mac: Mac that supports Bluetooth 4.0 or later, and has OS X10.10 Yosemite or later installed iOS: iPad/iPhone that Supports Bluetooth 4.0, and has iOS8 or later installed Operating Requirements (USB Connection): Windows: Microsoft Windows 7 SP1 or later (32-bit / 64-bit) Mac: MacOS 10.8 Mountain Lion or later iOS: iOS8 or later