1、MIDI Keyboard Controller: MIDI keyboard controller with dynamic performance and playout control for studio and stage. Customizable hardware or protocol settings on for OS laptop or PC 2、GEN2 Technology: BT MIDI keyboard with GEN2 technology, MIDI keys with force sensitive MPC colored percussion pads. Expandable to 16 strike extensions via A/B group switching 3、OLED Screen Display: MIDI keyboard controller is visualized for operation with instant feedback on arpeggio, force, velocity and other functions, making operation more intuitive 4、4 Dimensional Telemetry Control: USB MIDI Keyboard can be operated by 360 degree telemetry, left and right direction control pitch value, up and down direction control modulator parameter options 5、Independent ARP Arpeggiator: The MIDI Keyboard can control the velocity value of the arpeggio with the Tap Tempo key. The secondary functions of the keys can all be played with the ARP, plus this function can be mapped on the percussion pad 1 x MIDI Keyboard1 x Charging Cable1 x User Manual Item Type: MIDI KeyboardMaterial: ABS, ElectronicNumber of Keys: 25 KeysNumber of Demo Songs: 11 to 50Number of Tones: 101 to 200Maximum Number of Polyphony: 64 KindsPower Supply Mode: Power Supply