Active noise cancellingImmerse yourself in your music with the Philips Fidelio L3 Wireless Bluetooth Noise-Cancelling Headphones. They feature active noise cancelling, so you can simply tap an earcup to cut out background chatter or the sound of traffic around you.When you need to hear your surroundings, Awareness Mode makes it easy to let the world back in.Crystal-clear callsAnswer calls hands-free with the 4 integrated mics. They focus your voice and significantly reduce background noise, so everything you say will sound clearer.Beautiful soundWith a frequency response of 7 - 40,000 Hz, the Philips L3/00 Headphones deliver beautifully balanced sound. Mid-range frequencies are full and smooth, while top notes sparkle with detail. Naturally, the headphones are also certified to support Hi-Res Audio.Hours of playtimeListen all day and night without needing to recharge - the headphones have 38 hours of battery life. And a 15-minute quick charge will give you another 6 hours of music.Hands-free voice assistantsGet help hands-free with Alexa and Google Assistant built in. You can play songs, get directions, set reminders and more - all you need to do is ask.