NU Dolphin Swimmer MP3 Player (1G) - Waterproof + NU Dolphin MP3 Armband 100% waterproof MP3 player and earphone - compliant with the international IPx7 water resistant standard Designed for swimming, watersport and in/outdoor activities - offers total freedom and keeps the athletic performance to the maximum Awarded with the prestigious RedDot design award 2007 for innovative and quality design USB plug & play, and Plays MP3 and WMA audio files Ultra light (25g) and small (60 x 21 x 21 mm), SDurable, robust aluminium casing with anti-scratch finish