One of the worlds first wireless keytars.. The Alesis Vortex Wireless 2 is a USB/MIDI Keytar controller featuring integrated Bluetooth connectivity for wireless playing. The Vortex Wireless 2 features 37-velocity-sensitive keys with after-touch providing a fluid and natural playability. It also boasts eight RBG velocity-sensitive trigger pads allowing you trigger samples loops clips and more. A volume slider and reversible pitch-bend wheel on the neck are included for performance control. Eight back-lit faders are also included for controlling volumes automation of VSTs and more. The Alesis Vortex 2 can be powered via 4 x AA batteries or via USB bus power for added flexibility. Additionally the Vortex 2 comes complete with a range of music software including premium-grade virtual instruments.