World's first fully wireless Fast Multi-Frequency (FMF) metal detector with unique features and performance to match with all usages in all terrains and designed to last; Including headphones with a 10 Times faster wireless technology compared to Bluetooth low latency technology using the XP patented radio protocol system; Choose one of the 12 Fast and simultaneous Multi Frequency factory programs or between the 49 single frequencies from 4 to 45 kHz for mono frequency detection; 66 feet waterproof detector thanks to its shockproof and underwater remote control design certified IP68 and the bone conduction headphones; All terrain: high performance metal detector on land for gold or relic hunting, on the beach for coins, and Jewellery even on wet sand and underwater for treasure hunting; Rich audio options with a non-exhaustive sound library and a 4 band equalizer perfectly designed to adjust all sounds exactly how you like, for the best efficiency; Made in France; Patents pending