Gray Ghost Wireless Headphones with 1/8th" (3.5mm) plug for the Minelab Manticore, Equinox Series Waterproof Detectors X-Large only: Fits calf circumferences

X-Large only: Fits calf circumferences from 18 to 23 inches

Recovery Type: Vortex technology

Wide aluminum sluice with patented vortex technology for superior gold recovery

Retuning allows user to quickly: Shrink detection field to precisely pinpoint large targets

Maximum Volume: 80-85dB

Gray Ghost Wireless Headphones with 1/8th" (3.5mm) plug for the Minelab Manticore, Equinox Series Waterproof Detectors X-Large only: Fits calf circumferencesInstant response time to targets 10 hours continuous operation Dual charger charges both the headphones and transmitter Full range volume control Comfortable padded earphones insulates from ambient noise Instructions: Make sure both your headphones and transmitter are fully charged; while charging, the LED on both your headphones and transmitter will be RED. When fully charged, the LED will turn BLUE. Velcro the transmitter securely to your detector