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"In Sept. of 2010 (the iPad was released in the Spring of that year), I found a Bluetooth box for turning pages of sheet music by foot. I had them modify the firmware and my BSI was born. Over the years, the product has improved, especially its Bluetooth pairing and profiles. Please do not buy this product from the company that 'knocked it off' ("E.D."). RJ This Bluetooth Switch Interface (BSI) fo…