FeaturesiOS / AndroidBattery life: up to 3.5 hours (14.5 hours with charging case)Microphone / remote / volume controlNoise-cancelling technologyDelivers authentic, balanced audioThe Huawei FreeBuds 3i True Wireless Noise-Cancelling Earphones come with two outward-facing mics to accurately pick up your voice while avoiding other environmental noises, and a third inward-facing mic receives the voice conducted inside your ears to further enhance call quality. Everything you say is clear regardless of the noises.With HUAWEI FreeBuds 3i\'s highly-sensitive diaphragm carefully tuned to deliver authentic, balanced audio and the 10 mm large dynamic drivers delivering powerful bass, you will feel the brilliance of every note in your ears.One single charge offers up to 3.5 hours of listening pleasure, while the charging case delivers 14.5 hours of battery life that will fill your day with musical joy.* *Data are based on the test results of Huawei labsWhile the outward-facing mic is detecting ambient noise to actively counter with the anti-noise, the inward-facing mic is picking up the rest noise in your ears for further cancellation. HUAWEI FreeBuds 3i offers a thorough noise-cancelling experience for your immersive enjoyment.Pair HUAWEI FreeBuds 3i automatically with the pop-up window* when the charging case is open, and you are good to go. Battery status is also visible when pairing. Instantly enjoy your favourite music.*Pop-up window only adapts to Huawei smartphones with EMUI10 or above