wireless headphones Yamaha’s flagship noise-canceling wireless headphones release in the US for $280 2 years ago In the wake of sending off earlier this summer, Yamaha's flagship TW-E7B wireless headphones are presently accessible in the US.… Powerbeats Pro: Beats declares the Powerbeats Pro wireless headphones with as long as nine hours of playback for $250 5 years ago Of course, Beats reported today the Powerbeats Pro, its first obvious wireless headphones that still hold the over-the-ear hook design…