Gray Ghost Wireless Headphones for Minelab E-Track, CTX, Explorer, Explorer XS, Quattro

Gray Ghost Wireless Headphones for Minelab E-Track, CTX, Explorer, Explorer XS, Quattro Metal Detectors Gray Ghost Wireless Headphone incorporates a number of dramatic improvements in wireless headphone design. It is designed to replace the Minelab FBS land headphone. The design provides unrivaled comfort for land use. Fast target response, no compromise in sound quality for functionality. Ships complete with Wireless module and rechargeable battery and charger. Gray Ghost Wireless Headphones for Minelab FBS Detectors Features: Full-range volume control: One knob adjustable volume to your desired level. Blowing wind, pounding waves or any extreme condition. You will hear signals loud and clear! Quality, comfort, fit and finish you expect from Gray Ghost: Once worn, you won't believe our headphones are on your head. They are as plush or more plush than most land phones. They fit snug and have soft cushions that won't slip off when metal detecting. Detect for hours in total comfort. Attention to details: We read the user forums to learn everything we could to improve and surpass the original headphones. Our improvements make the detecting experience much better. Gray Ghost Wireless Headphones for Minelab FBS Detectors Technical Specifications: Operation frequency: 2.4GHz Automatic pairing between transmitter and receiver upon power on Lithium battery (both transmitter and receiver) Continuous operating time: 10 hours Charging time: up to 4 hours Transmission delay: 12.5ms Transmitting distance: between transmitter and receiver: 20 feet Frequency modulation method:  GFSK Transmission power: 4 dBm Frequency response: 20Hz to 20KHz (CD quality) Maximum Volume: 80-85 dB Distortion: <0.1% Operation voltage: 3.1VDC to 4.2VDC Operating current: <50 mA Gray Ghost Wireless headphones Warranty: Gray Ghost Wireless headphones are warranted to be free of defects in materials and workmanship for 2 years as long as they are owned by the original consumer purchaser. This warranty is not transferable.