When you need to take the party anywhere, the TREBLAB HD77 wireless Bluetooth speaker has your back, on sale for $51.99 (reg. $79). With its powerful 360° HD sound, this speaker fills any space with booming audio, whether you’re at a beach bonfire, camping trip, or just grilling in the backyard. The dual subwoofers make sure that every beat hits hard, and your music sounds full and rich from all angles. This Bluetooth speaker is designed to survive your wildest adventures. It’s waterproof, shockproof, and dustproof, so you don’t have to worry about the elements getting in the way of your good …