18Removing MicroSD cardYou can safely remove the microSD card from your device any time thedevice is shut down. If you need to remove the card while the device is on,unmount the card first to prevent corrupting or damaging the card.To unmount:1. Go to Settings.2. Touch Storage and touch Unmount SD card under EXTERNAL SD CARD.3. Open the microSD card slot cover. Press the edge of the card to release itand then pull the card out of the slot.Connecting an Audio DeviceThe audio combo connector is the “4-pole TRRS 3.5mm” type (Apple iPhoneRecessed) so you can connect a compatible headset microphone.SAFETY WARNING:To prevent possible hearing damage, do not listen at high volume levels forlong periods.