USER's MANUAL Stereo Headphone (1). Product indication 1/8 function’ button twice, When the phone call out or answer the call, if the bt headphone is playing music, the music will pause automatically and enter the waiting state. After hanging up, the ludicrous will go on playing automatically. (5). EQ switch + In the Bluetooth, short press the EQ button for BQ switch, Then you can enjoy the music in different BQ mode. (6).