The MP3 player is small, lightweight, unobtrusive, aesthetically pleasing, floating on the water surface when it is left in the water from the hand, easy to use. Title catch back to where you left off it, which is very convenient when audiobook listening. The earplugs or the lead around the ear are too hard for me from the comfort and oppressed. Have them replaced by others. Volume swim adequately, sound fine for me if I want to have high-quality sound of the music I listen to anyway on the system at home on dry land. Sound quality during crawl and breaststroke for me perfectly fine. AAAAB unfortunately, unfortunately ... he persevered only 4 swimming lessons. After that he made no more Muks. Was no longer recognized by the computer. Ie paid per usage hour at a price of just 40 Euro 10 Euro ... bit lean. Item returned. Had he persevered longer top ... Little darling swim ... but so?