Feature: Battery supplied portable MIDI controller with wireless function. 25 velocity-sensitive slim keys. 8 RGB back-lit pads with velocity-sensitive & aftertouch. 8 assignable 360-degrees rotary encoders. Capacitive touch- pitch bend & modulation control. port and MIDI out port all in one. Compatible with all digital audio workstation. USB connection, BT wireless connection, direct wireless, wireless MIDI OUT connection, and wireless adapter, multiple connection methods. Smart Chord and Scale feature make you get inspiration easily. Handy MIDI controller, portable, functional, and easy to use. Specifications: Battery: 2000mAh Keys: 25 velocity-sensitive key Pads: 8 RGB back-lit pads with velocity-sensitive & aftertouch Knobs: 8 assignable endless 360 degree encoders Touch : Capacitive touch- pitch bend & modulation control Material: plastic colour: black+white Package Contents: 1 x MIDI keyboard 1 x charging cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.