New Delhi, May 11 -- A Bluetooth speaker with weak battery backup can quickly ruin road trips, house parties and outdoor gatherings. Constant charging also becomes frustrating during travel or long listening sessions, especially when you want uninterrupted music throughout the day. This is why buyers are now focusing more on speakers that combine strong sound output with longer playback time.

Modern Bluetooth speakers from brands like JBL, Sony, Marshall and boAt now offer bigger batteries, rugged designs, water resistance and powerful bass for both indoor and outdoor use. Some premium models even deliver more than 20 hours of playback on a single charge, while ongoing sale discounts are making many popular speakers more affordable right...