MacBook找不到藍牙耳機

My MacBook cannot find bluetooth headphones.😢 I've changed another set of headphones but still my Mac cannot find or connect to the device. I'm sure the bluetooth is workable 'cause it can connect to my phone.

Btw the headphones are Jaybird FREEDOM 2.

Please help! Thanks!

Mac一直找不到我的藍牙耳機裝置，已經換過一副了依然無法找到或連接。Mac的藍牙功能是正常的，因為可以連接我的手機。

另，耳機是Jaybird FREEDOM 2。

謝謝大家幫忙！