iTurn Bluetooth page turner pedals

Ever tried to swipe through a musical score on your tablet while playing? Of course, now there's a solution for that, the "AirTurn". Except sometimes when browsing you need to go back and forth. Enter the "Airturn Two Pedal Board Kit". Of course, this costs a fair bit of money and still will only turn the pages for one band member's tablet.

Enter the iTurn. Based on the LadyAda Bluefruit EZ-key, a Bluetooth HID, it contains *two* Bluetooth devices (or pretty much as many as you'd like) so no