[Hybrid Active Noise Cancellation] TOZO NC3 Bluetooth earbuds are equipped with hybrid active noise cancellation technology with a noise reduction depth of up to 45dB. So whether you're on the subway or a noisy street, you'll always enjoy your music or calls without any distractions.[6 Microphone Call & ENC Ambient Noise Reduction] Built-in 6 microphones detect ambient noise in real time and select the appropriate noise reduction level for your ears.[Transparent Mode] Simply switch to transparency mode to hear the world around you when needed without taking off your earbuds, convenient for you to communicate with those around you and provide security for your outdoor activities.[Extended 55-Hour Playtime] With ANC off, TOZO NC3 offers 13 hours of listening time on a single charge, which can be extended to 55 hours with the charging case. With ANC on, TOZO NC3 offers 9.5 hours of playtime, and 40 hours with the charging case via fully charged via USB A to C cable. That's enough playtime to enjoy up to 800+ songs or attend 55 meetings. And when you're short on time, a 10-minute charge provides 1 hour of playtime.[32 Preset Modes with TOZO App] Use the TOZO app to choose between 32 EQ settings, which allows you to personalize your sound profile or switch your favorite music style, and experience the joy of sharing your customized EQ with audiophiles around the world in the 'EQ zone'.[IPX8 Waterproof] TOZO NC3 noise cancelling earbuds are feature an IPX8 waterproof rating, making them resistant to water and sweat, making them perfect for workouts, outdoor activities, and daily use.[Bluetooth 5.3 Technology] Equipped with an advanced Bluetooth 5.3 chip which offers an impeccable connection speed and stability. It also supports low latency, so whether you're watching a film or playing a game, the sound and picture are in sync.