Basic call operation
There is an answer/end button under the logo of the right earmuff of the earphone, and there are volume adjustment buttons and Bluetooth function buttons at the edge. By operating these buttons, you can control the call on the headset.
When there is an incoming call on the mobile phone, press the Answer/Hang-up key and hear a beep to answer the incoming call, and then press the beep to hang up the phone.
When the mobile phone doesn't want to answer an incoming call, you can press and hold the Answer/Hang Up button for about 2 seconds, and then you can refuse to answer the incoming call after hearing the beep.
Press the track control button of 1 during the call, and you can switch incoming calls after hearing the beep.
Press the "+"button during the call to increase the volume of the headset call.
Press the "-"button during a call to reduce the volume of the headset call.
Press the Bluetooth function key once during the call, and the microphone will be muted after hearing the beep. After hearing the beep, press it again to unmute the microphone.
When the headset is not talking or playing music, press the Bluetooth function key to wake up the intelligent voice assistant on the phone.
Heart of the King 2 Click on the demo.