Experience immersive sound with the TOZO NC9 Hybrid Active Noise Cancelling (ANC) Earbuds. Our advanced 3-layer ANC system uses dual microphones to analyze and cancel external noise twice, while ergonomic ear caps block up to 90% of ambient sound. Switch to Transparency Mode to hear your surroundings clearly without removing the earbuds.Enjoy high-fidelity audio with powerful bass down to 14Hz, customizable through the TOZO app with 32 preset EQ modes. Built-in dual noise-cancelling microphones ensure your voice is heard clearly on calls. The latest Bluetooth 5.3 provides a stable, low-latency connection.Designed for comfort and endurance, the NC9 features an ergonomic design with IPX6 waterproof rating. Get over 7 hours of playtime with ANC on (13+ hours off) and a total of 40 hours with the compact wireless charging case. Features one-step pairing and a universal fit for all-day comfort.