MD-4030 for Treasure Search Profession Underground Gold Detectors Treasure Hunter Detector Circuit Metales Adjustable TrackerMD-4030 for Treasure Search Profession Underground Gold Detectors Treasure Hunter Detector Circuit Metales Adjustable Tracker
Price: Product Features: 1. Two operation modes: full metal mode, recognition mode 2. Volume adjustment: adjust the volume of speakers and headphones 3. Earphone excuse: you can connect to earphones