【Rich and delicate sound quality】Dobuds ONE has the perfect combination of a 12mm high-quality dynamic driver and a balanced armature driver to fully support the high frequency range. The hybrid dual drivers make the sound rich and delicate, while releasing plenty of musical details. They will bring you to a Musical journey with high-fidelity sound. Dobuds, dive into Music! 【Active noise cancelling Solution with user-defined】 The Active Noise Canceling (ANC) function can reduce the noise by 30dB from 80Hz to 2KHz range, allowing you to immerse yourself in the universe of Music. Switching to ANC Mode will automatically filter external environmental noise, allowing you to enjoy Music without any disturb. 【4-mic built-in, focus on your voice】Beamforming noise cancelling technology for clear and wind resistant calls. 4 built-in microphones, two of which measure and process environmental sounds respectively. This feature, with the anti-noise construction, prevents windward noise when combined with the operation of the Donner Control APP, you have a noise-free call experience. 【Ergonomic Design, comfortable wearing experience】5 different sizes of eartips are available (including XS, S, M, L and XL). Two-color, dual-hardness scientific design: the inner layer sleeves of the earbuds are tight, while the outer layer is soft to fit perfectly your ear canal. Our eartips will give you a long-lasting wearing experience without tiredness. The comfortable and IPX4 waterproof design will keep you free of concerns about drizzle, rain or sweat. (Note: The earphones are waterproof, but the charging case is not.) 【32 - hour battery life, Music all day】 With a Type-C port and rapid charging technology, every 10 minutes charging gives 2 hours of music playback. This increases the usage time allowing to recharge them less frequent. The single-ear battery life is 8 hours (when ANC off), and the charging case can complete 3 full charging cycles. Dobuds ONE with a total of 32 hours, for being your long lasting companion. 【Donner Control APP】You can download the app to customize extra functions (EQ customization, power display, headphone name, noise reduction transparency mode switching, UI customization, etc.). Meet a variety of personalized requirements. earbuds