square dance large volume wireless bluetooth speaker karaoke multi-function outdoor card u disk high power pull rod speaker box

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brand: brodu

box material: wooden

power type: usb

waterproof grade: non-waterproof

built-in battery capacity: 2000mah-4000mah (included)

connection method: bluetooth connection

with a built-in battery or not: built-in battery

applicable scenarios: desktop, fitness, outdoor, home, mobile/portable, k

time to market: summer 2026

frequency response range: 40hz-20khz

signal-to-noise ratio: ≥ 85db

number of speakers: 1

effective distance: 10m

appearance size: 300*230*490

after-sales service: contact customer service

item no.: bts-2228

color: wood color

foreign trade or not: no

main downstream platforms: ebay, amazon, wish, aliexpress, independent

major sales areas: japan and south korea, africa, korea, japan, europe, south america, southeast

Update time：20260822161312