Developer builds macOS menu bar app to control Soundcore headphones via Bluetooth

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A developer spent a single weekend building SoundcoreBridge, a native macOS menu bar app that enables direct control of Soundcore Space 2 headphones without relying on the official mobile app. The project involved reverse-engineering the headphones' Bluetooth RFCOMM protocol by analyzing HCI snoop logs to decode command structures for noise cancellation, EQ, and battery readings. A key discovery was a mandatory handshake sequence the device requires before accepting any write commands — without it, all writes are silently discarded. The developer also found that the official Soundcore app displays cached values rather than live device state, causing it to show incorrect ANC levels after external changes. The finished app is open-source under the MIT license and is available on GitHub, supporting macOS 13 and above.

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