Features: 1. Active Noise Cancellation.Turn on ANC mode, the noise reduce up to 28dB, makes you focus on what you want to hear. 2.Transparency Mode. Turn on Transparency Mode, no need to take off the earphone, you can hear outside sound, and interact with the world around you.3.Adjustable Nosie Canceling Levels. You can adjust both ANC noise canceling and transparency levels via QCY APP to fit yourself. 4.Clear Calls Anytime with 4 Mic and ENC.QCY T13 ANC Bluetooth headphone with AI algorithm for superior vocal enhancement and background-noise suppression to ensure you"'"re heard clearly on the other end wherever you are. 5.Wind Noise Cancellation.Noise cancellation against 25km/h of wind, never worry about windy days. 6.10mm Dynamic Driver.With bio-diaphragm dynamic driver and highly elastic PU Membrane, brings you immersive atmospheres. 7.Bluetooth 5.3 and 68ms low latency. Wireless 5.3 is smoother, faster and more stable connection, offers you a synchronized audio and video experience. 8.30 Hours Playtime.With ANC off, there are 30 hours playtime with charging case. Turn on ANC, playtime lasts for 25 hours with charging case. 9.Comfortable In-Ear Design, IPX5 Waterproof, Sensitive Touch Control 10.Support EQ adjustment and App setting, Voice assistant, Sleep Mode, Game Mode 28dB ANC Active Noise Cancellation Turn on ANC mode, the noise reduce up to 28dB, makes you focus on what you want to hear. Transparency Mode Turn on Transparency Mode, no need to take off the earphone when you talk with friends. Adjustable Nosie Canceling Levels You can adjust both ANC noise canceling and transparency levels via QCY APP to fit yourself. Crystal Clear Call with 4 Mic + ENC Combined with 4 Mic and ENC, filters out the background noise to make your calls loud and clear. Noise Cancellation Against 25km/h of Wind Never worry about windy days 10mm Dynamic Driver With bio-diaphragm dynamic driver and highly elastic PU Membrane, brings you immersive atmospheres. Comfortable In-Ear Design With soft silicone eartips, which is more scientific and reliable, more comfortable to wear, close to the ear skin. Whether you"'" re running or jumping, the earphone will stay in ear securely. Bluetooth 5.3 Wireless 5.3 for More Powerful Performance, smoother and faster with more stable connection. Less Delay, More Win 68ms low latency offers you a synchronized audio and video experience. 30 Hours Playtime With ANC off, playtime lasts for 7 hours from single charge and total 30 hours with charging case. Turn on ANC, playtime lasts for 5.5 hours from single charge and Provides additional 3.5 times charge with charging case. IPX5 Waterproof Fitness commuting without fear, You can sweat, you can handle the rain, The sound quality is still the same. Sensitive Touch Control More Functions on App Unlock more exciting functions on your APP, like customizing your own EQ setting. 1,One step Pairing 2, Real-time battery level display 3, OTA online upgrading 4,EQ Setting 5,Sleeping mode 6, Game mode 7, Sound channel balance 8,Customizable control ... What"'"s In The Box: Earbuds * 1, Charging case * 1 Eartips * 3 pairs S/M/L(one pair has been assembled) Type-C cable * 1 User manual * 1 Parameters: Product name: QCY-T13 ANC Certified modelBH22DT10A Pairing name: QCY-T13 ANC Bluetooth version: 5.3 Available system: iOS/ Android Operation range: 10m Battery life(Playback by single charge): 4.5hr of calling; 7hr of playback(ANC OFF), Music time: 5.5hr(ANC ON). Total Battery life: 30 hours of playback(ANC off); 24.75 hours of playback(ANC on). Bluetooth profiles: HFP/A2DP/AVRCP Battery capacity(case): 380mAh Charging port: Type-C Water proof: IPX5 Earbud size: 21.9*24*32.6mm Case size: 55.1*55.0*29.1mm Tips: * For the best compatibility, we recommend you to connect the earbuds with phone rather than computer.