您的问题与提供的信息不匹配。作为Apple Watch SE的配件，您可以将其与其他Apple设备（如iPhone或iPad）配对使用。不能说它是单独连接蓝牙耳机的。
1、Yes, it is possible to connect a Bluetooth耳机 directly to an Apple Watch Series 7.
2、This is because Apple Watch Series 7 supports Bluetooth 5.0 and can be paired with a separate Bluetooth headphones.
3、Additionally, the Apple Watch Series 7 also has built-in music player functionality that allows users to download songs onto their watch and play them through the Bluetooth headphones, making it more convenient and comfortable to use the device.
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