FeaturesiOS / AndroidBattery life: up to 7 hours (30 hours with charging case)Microphone / remote / volume controlHybrid Call Noise Cancellation technologyConnect to 2 devices at the same timeThe Huawei FreeBuds Pro True Wireless Noise-Cancelling Earphones recognize the ambient sounds intelligently, which switches the noise cancellation mode accordingly for a more suitable hearing experience.HUAWEI FreeBuds Pro \'s two outward-facing microphones accurately pick up the sound from the direction of your voice while the inward-facing microphone makes your voice heard more clearly. The unique Voice Mode reduces the ambient sounds to make human voices stand out; you can switch to awareness mode and reconnect with your surroundings by a long press.HUAWEI FreeBuds Pro Support simultaneous connection with two devices, it also allows swift switching between them by pinching either earbud; it offers stable connection even if your phone is in your bag or other interruptive area.HUAWEI FreeBuds Pro delivers powerful and dynamic sound so you can enjoy the authentic music like you are in the live concert.With noise cancellation turned-off, HUAWEI FreeBuds Pro\'s single charge brings you up to 7-hour listening and up to 30 hours when coupled with the charging case.You can enable Voice Mode within awareness mode by downloading AI Life App. Huawei smartphone users can search for and download the AI Life app in the Huawei AppGallery. Other Android users can scan the QR code to download the app by referring to the User Manual in the package. AI Life App is NOT available on iOS or Windows smartphones yet.