High quality bluetooth headphone

1.volume button

a.in music condition,when you push up"-",it will be previous song,when push down"+",it will be next song.

b.in calling or music condition,push up"-" and not loosen your hand,it will be volume down,push down [+",it will be volume up.

2.play/pause button

a.in music playing condition,press this button,it will pause,press again,it will play,

b.when it is power on but not paring,press long time,it is language control switch(Chinese,English and Cantonese).

3.Talk/listen button

a.when calling,press one time to answer the call,press two times to reject the call.

b.when calling,say "yes" to answer,say "no" to reject

4.USB port

a.used for charging by USB cable

b.used for insert another earphone to listen by 2 ears

5.LED indicator

a.power on: blue light flashing some times

b.paring:red and blue light flashing Alternately

c.standby:blue light flashing every few seconds

d.power off:red light flashing some times

e:charging condition showes red light,charging full showes blue light.