Features:64 velocity and pressure sensitive performance pads with RGB backlit, can be assigned easily as pads, MIDI CC buttons or program change switches.24 function buttons, providing functions like Note, Octave, After touch, Channel, Velocity, Mute, etc.Built-in 128MB sound module, you can connect this MIDI controller with headphone or speaker immediately to get sound.With MIDI IN & MIDI OUT, USB 2.0 connection, compatible with Win10/8/7/XP/Vista, Mac OSX, Android and iOS, drive free and hot-plug supported.Supports power supplied by USB and DC 5V, plug and play, start your creative work at any moment.Compact size and lightweight, very convenient to carry around. You won't miss moments of inspiration.Specifications:Type: without sound module/ with sound module(optional)Color: BlackMaterial: PlasticPower Supply: DC 5V or USB 2.0Operating System: Support for Win XP/ Vista/ Win7/ Win8/ Win10/ Mac OSX/ Android/ iOSItem Size: 25.6 * 25.6 * 2cm/ 10 * 10 * 0.8inItem Weight: 820g/ 1.8lbsPackage Size: 31 * 29.5 * 7cm/ 12.2 * 11.6 * 2.8inPackage Weight: 1150g/ 2.5lbsNote:You need to connect the MIDI controller with software editor before usage. You can download the users' manual and the software editor for the website(www.worlde.com.cn) on the QUICK START paper.If you want to use this MIDI controller with your smartphone or tablet, you need to purchase one OTG cable separately.Package List:1 * MIDI Controller1 * USB Cable1 * DC Power Cable1 * 3.5mm Connection Cable