AnkerDirect through Amazon has the Anker SoundCore Sport XL Portable Bluetooth Speaker, model no. AK-A3181011, for $50.99 (79.99 – 20 instant savings – 15% coupon) with Free Shipping for a limited time. To get the discount, use the coupon code: SOUNDSXL at checkout.

The Anker SoundCore Sport XL is a tough outdoor Bluetooth speaker with impressive volume. Connect via Bluetooth 4.1 and instantly enjoy crisp, dynamic sound with impressive volume from the 8W stereo speakers and rumbling bass from the dual passive subwoofers up to 66 ft from your device. It is shock-resistant, IP67-rated waterproof and dust-tight. It easily withstands extreme conditions and tough treatment ad is perfect for partying on your next big adventure. It features an incredible 15-hour playtime from the built-in high-capacity lithium-ion battery, allowing you to enjoy music all day wherever you go (playtime varies according to volume level and audio content). There’s also a built-In USB charging port that keeps your phone or tablet charged when you’re outdoors.