square dance bluetooth audio dual speaker metal diaphragm outdoor extra bass portable bluetooth speaker stereo

z 1yr.

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Mobile:86-19254011768

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brand: coleson

box material: metal

power type: usb

waterproof grade: ipx 4

appearance size: 205.70

built-in battery capacity: 1200mah-2000mah (included)

connection method: bluetooth connection

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

time to market: 2025

frequency response range: 60hz-15khz

signal-to-noise ratio: ≥ 75db

number of speakers: 2

effective distance: within 10 meters

after-sales service: shop's three guarantees

item no.: s9

color: diamond black (collins)

foreign trade or not: no

whether cross-border export is exclusively available: no

patent source or not: no

bluetooth version: 5.3

Update time：20260415130409