DetectorPro Ultimate Gray Ghost Platinum Series Headphones with 1/4" Angle Plug motley The built-in lithium-ion battery runs

The built-in lithium-ion battery runs about 15 hours per charge through a Micro-USB cable

Frequency response: 20Hz to 20KHz

Universal Nokta Compatibility

The ORX's menu system is built for hunters who want to start detecting immediately without reading a manual

DetectorPro Ultimate Gray Ghost Platinum Series Headphones with 1/4" Angle Plug motley The built-in lithium-ion battery runsDetectorPro Ultimate Gray Ghost Platinum Series Signal Limiting Headphones with 1 4" Angle Plug. The DetectorPro Platinum Series is an upgrade of most of their popular headphone models. The upgrade involves the addition of new, high end, crystal clear sounding speakers. These heavy duty headphones provide greater sensitivity to tiny targets, and more raw power at full volume. Also backed by a limited lifetime warranty. This is one headphone you have