Buy a used SanDisk Clip Sport or a new Ruizu X02 instead. Only buy the Nita SS 01 if you love the metal chassis design.
If you see this listed as an "MP4," lower your expectations to zero. If you see it listed as a "Lossless Audio Player," it meets the bare minimum. Mp4 Ss Nita SS 01 Mp4
Worth it if you find it on sale for under $25. Do not pay more than $40. Buy a used SanDisk Clip Sport or a new Ruizu X02 instead