Name:Bluetooth sports headset
Bluetooth CSR,It can work at 10-15 meter range .
It has two batterys,So it can work 10 hours continuously and up to four weeks of standby time after you charge it.
You can charge it to use magnetic 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 magnetic cable to charging.