Let the Noise Storning Pro (noise reduction) fit over the ear -natural noise.dynamic bass for up to 70 hours of playtime.When you want to hear what's going on around you, you can tap an earbud to activate awareness mode and allow outside sounds in.Awareness mode lets you carry on a conversation without switching off your headphones.Lightweight, comfortable, foldable and stylish!The round ear cup holder and slim model give these over-ear headphones an eye-catching style.The memory foam earbuds also provide optimum comfort for long listening sessions and can be folded flat and turned inwards so you can easily store them in a bag or pocket.Great sound, even at low volume, enjoy dynamic bass thanks to the over-ear fit from the 40mm drivers and good passive sound isolation.If you want to enjoy your favourite bass lines without increasing the volume, simply activate the dynamic bass via the multifunction button or the Philips headphones app.Up to 70 hours of playback time (45 with noise reduction activated), you can listen to music for a whole day even when noise reduction is switched on, fully charging takes only 2 hours via USB-C and a quick charge of 5 minutes can give you 3 hours more.You can also use a USB-C cable to connect a smart device with a USB-C port.Clear conversations.You are always good to understand that your voice is clear when you have a phone conversation.A special microphone picks up the sound of your voice, while a noise-suppressing algorithm suppresses background noise from the world.Philips headphones app.Personalise settings and controls.