Four switch button ■ When the switch is turned “ON”, there is a prompt tone, Bluetooth indicator light flashes, open the phone to search for the corresponding bluetooth name of speaker, and there is a prompt tone after successful pairing;
■ Turn off and pull the switch to "OFF". Play / pause button
■ Open the mobile phone music player to play music. Press the button below the horn to play / pause;
■ When the phone calls, press the key to answer the call,in the process of answering, short connect the button again to hang up the phone;
■ Double click the button to call back the first call of the mobile phone;
■ The red light for charging,and it is off when fully charged.