SMILEBOP B78 Ultra 40W portable speaker with smart display IP67 40h Bluetooth 5.4 RGB

SMILEBOP B78 Ultra 40W portable speaker

The SMILEBOP B78 Ultra is a portable Bluetooth speaker built for listeners who want a rugged, self-contained audio device with a built-in smart display. It suits home parties, beach trips, camping and travel where a compact, waterproof unit can be carried in a bag or strapped to gear. The speaker pairs with smartphones, tablets, laptops and other Bluetooth sources for wireless playback.

40-hour battery and smart display headroom

A 40-hour rated playtime lets the speaker run through a full weekend of listening without recharging, while the smart display shows remaining battery, volume level and connection status at a glance. When the battery is depleted the music stops until the unit is recharged, so users planning multi-day off-grid use should bring a power bank. The 40 W output fills medium-sized indoor rooms and open outdoor areas, but very large venues will exceed its comfortable coverage.

IP67 protection, RGB lighting and Bluetooth 5.4

An IP67 rating means the enclosure is dust-tight and survives immersion in water up to one metre, making it reliable for poolside splashes, rain or sand. Three dynamic RGB light modes sync to the music beat for visual atmosphere, and three EQ presets — Music, Bass Boost and Vocal — adjust the tonal balance. Bluetooth 5.4 provides a stable wireless link, while AUX-in, TF card and USB-C audio inputs give wired alternatives when wireless is not preferred.