Water resistance is not a permanent condition and may decrease over time, avoid using the Freetel Priori 3S LTE in saunas, steam baths, drop it or receive blows, expose it to soap or shampoo, expose it to perfumes, solvents, detergents, acids, creams and in general any type of liquid other than fresh water and extreme temperatures. The Priori 3S LTE has a certification IP68, MIL-STD-810G.