Hitting the trail or the beach this summer? When you’re spending time outdoors, you want to have your soundtrack handy. So, rather than keep it to yourself with headphones, gear up with the TREBLAB HD77 Outdoor Rugged Wireless Speaker with TWS Support, which is $40 off for a limited time. This durable speaker is equipped with DualBass subwoofers and TWS technology, delivering immersive 360º HD sound even in the most wide-open environments. It’s built for outdoor use, with an IPX6-rated waterproof design and shockproof protection — all while remaining portable enough to pack up easily. You can …