1、MIDI KEYBOARD CONTROLLER: This MIDI controller features 25 mini MIDI keyboard velocity sensitive keys, ideal for studio production, virtual synthesizer control and beat making. 2、BT, WIRED CONNECTION: It supports BT or wired connection, making music production more flexible and convenient. Built in 2000mAh battery lasts for about 16 hours. You can put it in your bag and carry it to the studio, cafe or hotel for music creation. 3、MULTIFUNCTIONAL: Featuring 8 RGB backlit velocity sensitive pads, 8 assignable rotary encoders, and 2 capacitive touch stripe pitch bends, it can help you mix, tweak synthesizer controls, and more in your music studio plug in. 4、WIDE COMPATIBILITY: This 25 keys MIDI keyboard controller has wide compatibility with for Win, for OS X, for Android and for iOS and all digital sound workstations. 5、MORE FUNCTIONALITY: It has an integrated smart chord and smart sound function. Users can make quick selections with the push of a button, making it ideal for use during performances and practicing. Item Type: MIDI Keyboard Controller Material: ABS Product Size: Approx. 321x178x46mm / 12.6x7.0x1.8in Connection: BT, Wired Keys: 25 Keys With Force Sensitive Keys Drum Pads: 8 RGB Backlit, Force Sensitive And Aftertouch Beat Pads Knobs: 8 Assignable Knobs Other Output Connectors: 6.35mm Support: Wireless MIDI OUT Function (Requires Additional Wireless Receiver) System Support: For Win, For OS X, For IOS, For Android Charging Interface: Type C Battery Type: 2000mAh Lithium Ion battery (Built In) 1 x MIDI Keyboard Controller 1 x USB Charging Data Cable 1 x Instruction Manual