Amazon has the Hercules WAE Outdoor BTP04 IP64-Certified Bluetooth Speaker on sale for $39.99 + FREE shipping!

Why this deal is hot:
Save 60% off -- that's $60.00 in savings!

What this does and why you need it:
This water a dust-resistant speaker provides more than 10 hours of battery life and features a built-in mic for hands-free calling. It has two active wideband drivers and one passive bass-amplifying driver. The end-pieces feature rubber for enhanced shock resistance and there is also a secure tether hook, wrist-strap, snap hook and standard-size screw thread for easy mounting.