INV 2807 The Akai Professional Advance 25 is a powerful and versatile MIDI keyboard controller. Here are some of its key features: Keys: 25 semi-weighted keys with aftertouch Pads: 8 velocity- and pressure-sensitive MPC pads with RGB backlighting Knobs: 8 continuously variable knobs for real-time parameter control Display: High-resolution 4.3-inch full-color display for real-time control and feedback Software: VIP (Virtual Instrument Player) software (not included) for seamless integration with your VST library Connectivity: USB-powered with MIDI I/O jacks (USB cable not included) Additional Features: Pitch and modulation wheels, dedicated transport controls, and the ability to create keyboard zone splits and multi-patch setups This controller is perfect for both studio and live performances, offering a seamless integration with your computer and a wide range of features for music production.