Anker Soundcore R50i Nc True Wireless Noise Cancelling .

Adaptive Active Noise Cancellation (ANC): The earbuds use multi-mode ANC to block ambient noise by up to 42dB, adapting to your surroundings for an immersive audio experience. Audio quality: They are equipped with 10mm drivers and BassUp technology to deliver a rich, clear sound with powerful bass. The Soundcore app also offers 22 preset equalizer (EQ) modes for sound customization. Battery life: The R50i NC provides up to 10 hours of playback on a single charge. The charging case extends the total listening time to as much as 45 hours, depending on ANC usage. A quick 10-minute charge offers up to 2 hours of playback.