Groupon offers the Xtreme 51891 Wireless Bluetooth Stereo Speaker for $19.99 with free shipping. Deal ends July 5 or while supplies last.

What makes this deal hot:
You save $30 off the retail list price. That's the lowest price we could find currently by $5 from a reputable merchant.

What this does & Why you need it:
The Xtreme Wireless Bluetooth Stereo Speaker features Auxiliary input, Wireless Bluetooth, Built-in rechargeable 500mAh battery, and more.