Ends 5/22. Groupon has the AT&T LoudSpeak'r BTS01 Portable Bluetooth Speaker (Black or White) for $40 with free shipping. $60+ elsewhere. Features 5+ hours of playback on a charge, and has a 3.5mm aux input jack for connecting non-Bluetooth devices. Weighs 8.8oz, measures 2.5" x 3.6" x 4.4".