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Adjust the earphone volume, Mute or unmute the microphone, Push to talk (ptt) calls – Nokia Bluetooth Headset BH-900 User Manual

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Adjust the earphone volume, Mute or unmute the microphone, Push to talk (ptt) calls | Nokia Bluetooth Headset BH-900 User Manual | Page 10 / 13 Adjust the earphone volume, Mute or unmute the microphone, Push to talk (ptt) calls | Nokia Bluetooth Headset BH-900 User Manual | Page 10 / 13