Hybrid Active Noise Canceling. Focus where you want it: When the song deserves your full attention, these wireless headphones let you 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. Rounded over-ear design. Sleek looks, superb sound: The round earcups lend a distinctive sense of style. 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. Philips Headphones app. Custom sound control: Enhance the bass. Tone down the treble. 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. 27 hours play time (ANC on/off): 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. A full charge takes 4 hours via the included USB-C. Memory foam ear-cup cushions. Touch controls: The cushioned ear-cup cushions and headband are perfect for long listening sessions. There are touch controls for music and calls, and buttons on the right ear cup let you control ANC. The ear cups fold flat for easy storage.