Tablet computers like the iPad are great for reading sheet music, but ifyou need to keep both hands on your instrument while you play, you knowwhat a pain it is to have to tap or swipe the screen to turn pageswhile you're playing. That's where the AirTurn BT-105 comes in handy.The BT-105 features a power switch, status indicator light, two 3.5mm(1/8 inch) jacks, and an internal rechargeable battery with a mini USBrecharging port. Battery life wil...