DOSS Extreme Boom+ 100W Bluetooth Speaker — IPX6, 20H Playtime, Power Bank, Beat-Synced LED, Portable Party Speaker

Big, room-filling audio: The DOSS Extreme Boom+ delivers 100W of stereo output built from dual 40W woofers, dual 10W tweeters, two passive radiators and two DSP technologies to produce full-range sound with deep bass and clear highs and reduced distortion. Extra Bass Mode intensifies the low end — press and hold to engage a louder, more punchy bass response. Portable and weather-ready: This IPX6-rated speaker is designed for outdoor use at the pool, beach, backyard or park. It includes a built-in handle and a detachable strap so you can carry the party with ease. Dynamic party lighting: Mixed-color LED lights sync to your music and offer six selectable modes — breathing, quarter rocking, rippling, rolling, crossing, and off — to set the right atmosphere. Long runtime and emergency charging: A 10400mAh battery provides up to 20 hours of playback (measured at 50% volume, Extra Bass off, Lights off); actual runtime varies with volume and content. A built-in USB-A power bank can recharge your phone when needed — press the M+O button to cancel battery-saving functions before charging your device. Please fully charge the speaker when you receive it. PartySync and connections: Wirelessly link 2 to up to 100 Extreme Boom Pros for expanded stereo sound with PartySync mode. The speaker uses Bluetooth 5.3 for quick pairing and up to a 99-foot wireless range, and it also accepts a 3.5mm Line-In cable or a Micro SD card (both not supplied).