Edifier TWS330 NB True Wireless Stereo Earbuds will satisfy even the most demanding users. The AAC codec provides excellent HD audio quality, while Bluetooth 5.0 is responsible for reliable signal transmission. The customizable touchpad makes it easy to use, and there are several modes available to customize the performance to your needs. The headphones are also IP54-rated, so you can use them on a daily basis without worry. Experience a new and unforgettable music experience. The AAC HD audio codec guarantees clear, richly detailed, stunning sound. What's more, hybrid ANC noise cancellation technology eliminates unnecessary noise down to -38dB. Available modes allow you to optimally customize the headphones to your needs. Adjustable in-app Ambient Sound mode means you can still hear what's going on around you when you're playing your favorite tunes, so you won't miss an important announcement at the airport. The long-lasting battery provides up to 5 hours of headphone use if ANC mode is off or up to 4 hours if you turn it on. The included charging case extends that time by 15 hours or 12 hours respectively. But it doesn't stop there! The TWS330NB supports fast charging. With just 10 minutes in the charging case, they can charge for another hour of playback! The TWS330NB are equipped with a touch panel that you can customize using the app. Each handset supports up to 2 functions. Choose them according to your preferences and enjoy comfortable operation! For example, you can adjust the volume, switch tracks, answer the phone, pause or resume the playback, activate the voice assistant or activate the gaming mode.