Remanufactured iRiver H10 20 GB MP3 Player/Recorder (Blue) Remanufactured to like-new condition; 90-day manufacturer's warranty Compact, lightweight 20 GB hard drive multimedia player--weighs only 3.4 ounces Compatible with MP3 and WMA; also Secure WMA from online services Built-in voice recording and FM tuner with FM recording capability Swappable rechargeable lithium-ion battery with up to 12 hours of battery life