i got a x mini 2 for sale, its a mini speaker that is charged by usb. can be used on any standard mp3 player, laptop or phone that has the 3.5mm audio jack. i have one personally and i'm very impressed. bought one for a friend but he doesn't have the money to buy it so its for sale.
review
http://www.tech65.org/2009/06/01/review-x-mini-2-capsule-speaker/ PRICE $300