This lightweight Bluetooth speaker can play music for up to 30 hours
Mashable -

TL;DR: Enjoy up to thirty hours of wireless sound with Resound XL's portable Bluetooth 5.0 speaker for $23.99, a 65% savings as of July 6.

Summer is officially upon us, which means it’s time for some outdoor, socially-distanced fun. Whether you’re flipping burgers on the grill, relaxing by the pool, or heading to the beach, everything’s a little better with your favorite music pumping, right? And you deserve better than the speaker on your smartphone. Enter: the Resound XL Portable Bluetooth...

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