Name:Bluetooth sports headset
You can charge it to use MICRO USB cable.
Controling box is metal,+ - key will control volume and last or next song,O is switch key.
How to handle:
Open bluetooth of mobile
Touch o key,open power of headset.
Touch O key,enjoy music or call anyone.Touch + key or - key to control volume and last song or next song.Touch O key again for power off.
No power,you will use MICRO USB cable to charge it.