Just bought this Chinese MP4 Player. Dakeyi D-819 MP4 Player with 2GB internal memory and an extra MicroSD slot. Powered by Nokia's battery. It has FM radio, can store phonebook, come with 13 games, play MP3 and Mp4 files.
It's chipset is made by Sino Wealth and using Hynix memory.
I'm exploring this unit and with update with more information.