Right now you can get this Creative Airwave Portable Bluetooth NFC Speaker for $24.99 (Retail $79.99).
-NFC: Yes
-Bluetooth Range: Up to 33 feet
-Battery: Lithium-Polymer
-Battery Life: Up to 12 hours
-Dimensions: 10.2″ x 4.3″ x 4.3″
-Weight: 1.96 lbs