Fisher Research Labs 1280-X Aquanaut Underwater All-Purpose Metal Detector with Coil Storage Hatch Does NOT have notch

Does NOT have notch

which is used to update the speaker's software for ongoing Bluetooth device compatibility

2 watt-hours smart Lithium-ion battery

Stereo audio out

Fisher Research Labs 1280-X Aquanaut Underwater All-Purpose Metal Detector with Coil Storage Hatch Does NOT have notchFisher 1280X Metal Detector with 10" Concentric Search Coil & submersible headphones This waterproof metal detector is perfect for beach hunting, diving, or even hunting on land! Submersible up to 250 feet. Fisher 1280X Underwater Metal Detector Proven Performance on Land or in Water. Features Turn On & Go Operation Submersible up to 250 feet Full Range Target Discrimination Adjustable Sensitivity Control Audio and Visual Target Response VLF