Questions about Xiaomi Redmi Buds 4 Active

The headphones are not only suitable for Xiaomi devices, but can also be used with other Android devices as they support Bluetooth technology. They are compatible with all Android devices that can run Google Play services 11.7 or higher, which includes a wide range of devices, including Samsung models.

Yes, the headphones are compatible with iOS devices such as the iPhone 15 Pro. An app is not absolutely necessary for the Bluetooth connection, but offers additional functions such as a battery status display.

A charging cable is not explicitly mentioned as an included component. However, the Redmi Buds 4 Active Set uses a USB-C cable to charge the charging case. It is not specified whether the cable is USB-C to USB-C, but it is recommended to use a standard USB-C cable.

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I have no idea. I have the black one.