With 40 mm bespoke drivers and hybrid active noise cancellation, Philips H9505 Over-ear Wireless Headphones allow you to fully immerse in the moment and focus on what you want to hear. The audio is perfectly balanced, with deep bass, steady midrange and sparkling treble. The touch controls on the ear-cups is intuitively designed, while the Philips Headphones App is there to indulge your personal tastes and streamline your listening experience. With Bluetooth, you can connect to two devices simultaneously, ideal if you want to hear notifications from your phone while streaming videos from your laptop. You can also plug it into your high-resolution amplifier at home to enjoy Hi-Res audio.