Features: MS-3 Wireless Headphones with Z-Lynk Technology:: Included with Wireless Package IRON VOLUME:: Control What You Hear. IRON VOLUME allows user to decrease the volume of iron targets, while the volume of non-ferrous targets remains at normal level. Experienced treasure hunters often like hearing all targets, but will appreciate the option to decrease volume of undesired items. Highly Versatile:: Multi-Flex Multi-Frequency technology makes Apex ideal for coin shooting, relic hunting, shallow water wading, beach hunting, and even prospecting! Intuitive and Efficient Controls:: Direct drive buttons for most frequently used controls. Easy-access menu adjustments for other controls. Six Detection Modes + Pinpoint:: Zero, Coins, US Coins (with coin icons), Jewelry, Relics, and Custom Hi-Resolution Ground Balance:: 175 points of ground balance resolution (like the Garrett AT Max), ranging from ferrous ground to saltwater. 5-Tone Audible Target ID:: Five distinct tones provide greater audible target identification than on Garrett detectors. Hybrid Audio System:: The Apex target audio provides the simplicity of binary audio (found on existing ACE detectors) with the additional benefits of subtle proportional audio for faint targets. Hi-Resolution Discrimination:: Twenty pixels of Notch Discrimination, including 8 pixels of Iron