Although it’s not listed, the photo matches to the TaoTronics TT-BH041.
How are they? Not great.
The TaoTronics TT-BH041 is a mono Bluetooth headset designed for phone calls. Unfortunately, despite having a dedicated boom microphone, speech sounds thin, muffled, and unnatural, while the mic’s AI noise cancelling system garbles your voice and makes it hard to understand, especially in noisy environments.