Philips TAT3509GY/00 In-Ear Headphones, True wireless, Bluetooth, ANC Pro, Microphone, IPX4, Grey Enjoy Pro noise cancellation Adaptive noise cancellation quickly reacts to your environment to suppress external noise, including wind, in real time. If you want to hear what's going on around you, Awareness Mode lets outside sounds come back in. Quick Awareness Mode enhances voices so you can have a conversation without taking your headphones off. Great sound even at low volumes with Dynamic Bass These true wireless in-ear headphones sound great and you won't have to turn up the volume to get the best sound from their 10mm drivers. Activate Dynamic Bass via the left earbud or via the Philips Headphones app and you can enjoy maximum bass power, even when listening quietly. Always ready. Pocket-sized charging case and mono mode Hit the road with the small charging case in your pocket and your earbuds will always be ready. They’ll stay protected and charged when not in use, and with mono mode you can use either earbud while the other charges. Up to 24 hours of playtime (18 with noise cancelling)With noise cancelling on, you get up to 6 hours of playtime on a full charge and an additional 12 hours from the charging case (with noise cancelling off, you get 8 hours and an additional 16 hours from the charging case). For a quick charge, place your earbuds in the case for 15 minutes to get an extra hour. The case can be recharged via USB-C. Clear calls. Your callers will hear what you sayYour voice will be heard clearly when you're on a call. A dedicated microphone picks up the sound of your voice, while a noise-canceling algorithm silences some of the background noise around you. Customizable touch controls on the earbudThere are touch controls on the earbud, useful for noise cancellation, music playback, volume and calls. Do you prefer to use the left or right earbud? You can customize how these controls are configured in the Philips Headphones app. Philips Headphones app. Customize settings and controlsIn addition to customizing touch controls, the Headphones app lets you turn off adaptive noise cancellation and take control of the sound level. You can also use the app to keep your headphones' firmware up to date, manage connected devices or find a missing headphone, and there's also an equalizer in the app. IPX4 splash and sweat resistanceWith an IPX4 rating, these true wireless earbuds are completely splash-proof. They won't mind a little sweat, and you don't have to worry about getting caught in the rain. Better connectivity and sound. Next-generation BluetoothThese earbuds will work with devices that support Bluetooth LE Audio and the LC3 codec to give you a more stable connection and significantly better sound. The sound won't drop out when you're streaming music or taking calls in built-up areas, and there's virtually no lag when you're watching movies or gaming. Warm, natural sound. Philips signature soundFrom music to podcasts, you'll love what you hear! These true wireless earbuds feature large drivers tuned to Philips signature sound. Whatever you're into, you'll enjoy warm, natural sound with deep bass. Connect to two Bluetooth devices simultaneouslyConnect to two Bluetooth devices simultaneously