Currency
61 key imitation piano keyboard
Pluggable USB flash drive for playing MP3 music
LED digital display
255 timbres and 255 rhythms
50 demonstration songs, full keyboard percussion music
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6-20 characters(letters plus numbers only)
The password is inconsistent
Email format error
Email cannot be empty
Email does not exist
6-20 characters(letters plus numbers only)
The password is inconsistent
