Detailed Instructions: Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Problem:Player was defective. After charging battery, I turn it on and while attempting to download an audio-book, the unit "locked up", All functions ceased, and I couldn't turn it off: back of player became very warm. Battery finally lost life and the unit shut down. One unsuccessful attempt was was made to recharge it. It was returned for refund..
Solution:
Negative