Groupon offers the AT&T LoudSpeak'r Portable Bluetooth Speaker available in black (BTS01) or white (BTS01-WH) for $39.99 with free shipping.

What makes this deal hot:
You save $40 off the retail list price. That's the lowest price we could find currently.

What this does & Why you need it:
These speakers features 2-in-1 Bluetooth boom box/speakerphone, 6-watts, Bluetooth 2.1 (work up to 30 feet), hands-free calling, up to five hours of music play per charge, 3.5 mm auxiliary input and more. Works with iPhone, iPod touch, iPad, Android, Blackberry, Windows Phone 7 devices, and more