UR-30 headphone,specically used for Minelab GPX4500,GPX4800,GPX5000, UR-30 headphone,specically used for Minelab GPX4500,GPX4800,GPX5000,2011 the new one is headphone of GPX,it can use to hear the signal for detecting the gold. 2011 the new one is UR30 headphone of GPXLightweightPadded ear cupsAdjustable headband fits all head sizesLightweight and comfortable to wear GPX4500 headset