Arena Swimming MP3 Pro 4GB Waterproof MP3 Player. Add rhythm to your swim with the Arena underwater MP3 player, simply load your songs onto the Arena Pro MP3 player, clip to goggles, and enjoy listening to your favourite music while you swim. Perfect for livening up long training sessions, or for peace of mind when on holiday. If dropped in water the Arena Pro floats, great for avoiding expensive accidents by the pool. So buy this Arena Swimming MP3 Pro 4GB Waterproof MP3 Player & Pedometer with FM Radio Now £79.00.