[Hybrid Active Noise Cancelling] With a maximum noise reduction depth of 45dB, Immerse yourself in your music without any distractions from the outside world and focus on what matters most - your music. [6 Microphone Call & ENC Ambient Noise Reduction] Enjoy crystal-clear call quality even in noisy environments, as the earphones actively filter out background sounds. Stay connected and enjoy seamless communication wherever you go. [Transparent Mode] Stay aware of your surroundings when needed, allowing you to hear important sounds without taking off your ear buds, making it safer for outdoor activities. [Stereo Bass Sound] These Earbuds features built-in 10mm drivers and an exclusive OrigX Acoustic 2.0 sound technology, delivering deep, rich bass and precise audio clarity, allowing you to enjoy music, movies, and calls with enhanced overall experience. [Comfort for All-Day Wear] The NC9 2024 headsets are ergonomically designed to fit snugly in your ears, while the choice of six sizes replacable earcaps ensures maximum comfort, even for long listening sessions. [32EQs Options & Exclusively Sharing Zone] Tailor the sound with the TOZO app further, which allows you to adjust bass levels, music style, and noise cancellation modes to your liking, and experience the joy of sharing your customized EQ with global audiophiles in 'EQ zone'. [Upgrade your Playtime with the NC9 2024] The charging case not only serves up to 59H(ANC off) and 42H(ANC on) totally playtime after 2 hrs fully charge, and 14hrs(ANC off) and 10hrs(ANC on) playback for single use. It also displays the remain battery, ensuring it's still there when you need it most. What's in the box TOZO NC9 New Version5 Pairs of EartipsCharging CaseCharging CableQuick Guide & User Manual