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. Made to immerse One external mic and one internal mic combine to filter out external noise. Cover the right ear cup to trigger Awareness Mode, and bring the world back in. Sleek looks, superb sound The over-ear fit creates a seal that passively isolates external noise. Perfectly tuned 40 mm drivers deliver deep bass, a balanced midrange, and sparkling high frequencies. Custom sound control The Philips Headphones app puts you in charge of the music you're listening to. Adjust levels yourself or choose from preset sound styles. You can also switch between preset ANC modes with a single tap. Anytime, anywhere You get 27 hours play time and the same crisp, detailed sound regardless whether ANC is turned on or off. A speedy 15-minute charge gives you an extra 5 hours play time. Engineered for enduring comfort The round earcups lend a distinctive sense of style. The cushioned ear-cup cushions and headband are perfect for long listening sessions.