1, first of all, connect the Bluetooth headset from the phone.
2, the general Bluetooth headset has a microphone, you can directly realize the call.
3, during the call, the Bluetooth earphone will convert the sound signal into an electrical signal, which will be transmitted to the mobile phone, which can realize the direct call of the Bluetooth headset.
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4, the use of Bluetooth headset calls, you can avoid annoying wires, to achieve easy calls.
5, when using Bluetooth headphones to talk, it may be affected by peripheral influences, such as wall or electrical signal interference, which will affect the call effect.
6, the signal of the Bluetooth headset is a range, if the Bluetooth headset is too far away from the phone, it will automatically disconnect, affecting the call. Therefore, the Bluetooth headset should not be more than 10 meters away from the mobile phone.