我剛買了新藍芽,但新買回來不懂該如何用?

First you can plug the bluetooth in a USB socket, then,you install the software,you can find this software in the box. Then tune on the bluetooth in the phone and the computer in the same time then your computer will find you phone,after you can put the song in the phone.

又唔知你部乜機，每部機都不大相同呀，怎教你呀。
最好看說明書，如果睇唔明，可以去問賣給你的公司，佢地會教你的，放心。