Bought this mp3 player for car.Works great.Instructions could be better ,but not hard to figure out.Use 512MB card=4 -1/2 hours of music.Simple fix for those wanting to take MP3's on the road.Transmits through FM radio.
http://www.merconnet.com/product_info.php?products_id=519

Ad is wrong.It only uses 2 AAA batteries.Rechargeable batteries do not come with it.