result:
device_id=0x5210
name=Rio Karma
manufacturer=Rio Audio
serial=0035769
hwrev=0x4
firmware_version=1.68
capabilities=;read_content;utf8;edit_metadata;file_replace;format;playlists;root_playlist;played_statistics;
boot_version=0.26
rns_prefix=KRM
rns_version=805016800
codecs=;mp3;wma;vorbis;flac;wave;
max_playlist_entries=15000
recovery=0