Groupon offers the Braven Zephyr 300 portable Bluetooth speaker with 800mAh backup battery on sale for $29.99 shipped. Also on sale, Braven Zephyr 500 portable Bluetooth speaker with 1,500mAh backup battery for a low $39.99 shipped. Deal ends soon!

What makes this deal hot:
You save 70-76% off the retail list price after instant savings. That's the lowest price we could find currently.

What this does & Why you need it:
Both version of the Braven Zephyr features a backup battery (800mAh - 1,500mAh depending on the version you pick), wireless Bluetooth streaming, Auxiliary port for wired connections, backup battery can charge other devices (smartphones, MP3 players, tablets and more), and more.