II 25 Key Controller Keyboard Instrument Mini USB 16 RGB Drum Pads 8 Knobs Professional Controller Features: 【Powerful keyboard】 Songwriters and Beat Maker Essential - USB powered controller with 25 mini keyboard velocity-sensitive keys compatible with studio production, virtual synthesizer control and beat production. 【Wireless keyboard】It&# s very compact and portable, and you can connect it wirelessly to your device with Bluetooth, built-in 2,000 mAh battery can work compatible with about 16 hours, you can easily slip this ultra-portable keyboard into almost any bag and take it with you to the studio, cafe or hotel to compose music. 【 Production】 25 velocity-sensitive keys, 16 RGB backlit velocity-sensitive pads, 8 assignable rotary enconders, 2 Capactive touch stripes pitch bend to all your music studio plugins compatible with mixing, tweaking synth controls and more. 【Smart keyboard】Compatible with Windows, Mac OS, Android and iOS，The K5 compatible with all digital o worksstation, Ableton live，Fl Studio，Cubase，Logic Pro X，Bitwig，Reason，Studio One，GarageBand(iOS) etc., Specifications: Product name: Keyboard Ⅱ size:321mm*178mm*46mm Power：USB connect