The airturn 4 footswitch controller is a versatile and customisable footswitch or controller that can connect to your pc mac ios or android device'. '.strtoupper('t')his device has three modes of connectivity'. '.strtoupper('y')ou can connect via compatible apps with airdirect you can also connect with just bluetooth for control of the keyboard mouse'. '.strtoupper('y')ou can also connect with midi and use the device to control midi devices'. '.strtoupper('w')ith a 200 hour battery life this product will last for a long time without running out of power on you'. '.strtoupper('t')his device has a very broad scope of functions'. '.strtoupper('a') popular use for this product is as a page turner for live musicians'. '.strtoupper('i')f your hands are occupied with your instrument you can use this to turn pages with ease'. '.strtoupper('i')f you practice electronic music then this is a valuable tool for switching presets virtual instruments during a live performance'. '.strtoupper('p')roducers can also find a use for this in their workflow by binding common commands to the airturn and making their work more quick and efficient.