100% Waterproof SYRYN Swimbuds Flip Bundle for Swimming with Music | Enjoy Up to 2,000 Songs or 138 Hours of Audio | Drag and Drop MP3, AAC, M4a, FLAC Using PC or Mac | No Apple Music, No Spotify. About this item Love Lap Swimming - Swim longer, faster, and have more fun doing it! Swimming with music is the fastest, easiest way to enhance your swim workouts. Easy to Use Shuffle Mode - Three large, tactile buttons enable you to easily operate the SYRYN mid stroke. Engage the onboard shuffle feature while you swim to instantly refresh your favorite playlists on the fly. Timeless Design and Functionality - Not everyone wants another complicated gizmo or tethered smartwatch. The SYRYN draws from the compact form and function of players' past, without tying you to a smart phone like other compact devices today. 100% Waterproof (IPX8) - The SYRYN is built for swimmers and protected by a 1-year warranty against manufacturer defects! It is fully submersible and can withstand sustained pressure up to 10 feet below the surface. Superb battery life plenty of storage - Get 10 hours of real playback time from a single charge + 8Gb of storage is enough for up to 2,000 of your favorite songs. Universal compatibility - Uploading music to your SYRYN is drag drop simple. SYRYN supports all popular formats, including MP3, AAC, and WMA files. (Protected iTunes AAC files purchased before April 2009 are protected and not playable due to DRM). Connects seamlessly to Mac PC.