Complex sentence: As a phone, it can be used in conjunction with a Bluetooth headset and can operate in a hands free manner with its built in microphone and speakers, also it's Bluetooth functionality supports Stereo Bluetooth for wireless music playback and making calls.
Split into simpler sentences: As a phone it can operate in a hands free manner with its built in microphone and speaker, it can also be used in conjunction with a Bluetooth headset. Its Bluetooth functionality also supports Stereo Bluetooth for wireless music playback and making calls.