Logitech Core MEGABOOM 4 Portable Waterproof Bluetooth Speaker in Purple - 984-001999 Brand_Energizer “Mid” or “Low” during interval

“Mid” or “Low” during interval shooting

you can achieve this shot without complex post-processing

zoom can be operated without having to touch the camera or lens

Passive Operation - Yes

Advanced features augment manual focus

Logitech Core MEGABOOM 4 Portable Waterproof Bluetooth Speaker in Purple - 984-001999 Brand_Energizer “Mid” or “Low” during intervalThundering Bass MEGABOOM 4 delivers powerfully loud; clear and immersive 360 degree sound with thundering bass. It's even bassier than the previous generation. Featuring Ultimate Ears signature sound; you can hear every note which is carefully balanced. Virtually Indestructible MEGABOOM 4 is built tough and ready for adventure. Dunk it. Splash it. Drench it. Crank it. MEGABOOM 4 is designed to get seriously wet and keep on booming. It's floatable too.