Samsung K5 (aka YP-K5JAB) MP3 player looks the same as the K3 but it adds a built-in slide-out speakers. The Samsung K5 supports MP3, WMA, DRM10 and JPEG formats and comes with a FM tuner. It is available in 2GB and 4GB memory capacities. Its built-in Li-Poly rechargeable battery powers the K5 MP3 player to have a playback time up to 30 hrs. with earphones (up to 6 hrs with speaker).