This wireless switch interacts with Bluetooth 2.1 on any Apple mobile device with a range of 50 ft. The 5" diameter is a large target. It works with any app that has been programmed for switch access. It also can act as a single switch to activate any switch adapted products.
(single switch, interface, Bluetooth, wireless)
Vendors include: Enabling Devices, Rehab Mart (Suggested retail price: $170)