The iRig BlueBoard Wireless MIDI Pedalboard from IK Multimedia operates on Bluetooth 4.0/Bluetooth Low Energy technology to wirelessly control your iOS and Mac music apps while performing or recording. It has four LED backlit control pads that can be used to switch between presets, change patches, and turn effects on and off in any Core MIDI compatible app such as IK Multimedia's AmpliTube, VocaLive, SampleTank, the iGrand Piano or Apple's GarageBand. The BlueBoard features two 1/4" TRS inputs for use with MIDI expression controllers to add wah or volume pedal effects to you performance. It is powered by four AAA batteries and has a range of operation up to 10 meters.