Your phone17Sound mateWith the sound mate, you can hear sounds moreloudly.To use it, take off the cover and then connect thesound mate to the ear-microphone jack at the rightside of the phone.Built-in antennaYour phone has a built-in antenna. As with othermobile radio transmitting equipment, do not touchthe antenna unnecessarily when the phone isswitched on. Contact with the antenna affects callquality and may cause the phone to operate at ahigher power level than needed.