Chinese made S1 MP3 Players are based on action chip sets. The simplest digital audio player does the job at a low price. Though all the player looks similar the variations in the firmware has caused a lot of problems with the unnecessary FW upgrade.
The player has Z-80A 8-bits chip that is fast enough to play songs and switch compared to the other Apple or Sony players. Easy to use and longer battery life has made it popular along with the price in many countries like China, Japan, Russia and many Asian countries including India.
For more info visit s1mp3.org
