1.[ ]:Track Down.
2.[ ]: Track Up.
3.[ ]:Play/Pause.
4.[ ]:Number Dial.
5.[ ]:Call History.
6.[ ]:Contact List.
7.[ ]:Devices Search.
8.[ ]:Pair and disconnect phones.
9.[ ]:List of all pair devices.
10.[ ]:Bluetooth music.
11.[ ]:Bluetooth phone.
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