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Contact SupplierWe are offering bluetooth speaker ,
parameter
bluetooth version:v2.1+edr
bluetooth transmission power: class2 4dbm
bluetooth working frequency:2.4ghz
charging voltage: dc5v500ma
working voltage :dc 3.7v
battery capacity:900ma
music playing time:4h
talking time:10h
thd: ≤ 0.1% (3.7v1khz1.8w)
signal to noise ratio:≥65 db
speaker parameter :4ω3w ф40mm,two speakers
bluetooth range :10-20m
"colour :red ,blue,green,
black,white,
"
sell points
portable, hanging portable design
bluetooth wireless audio transmission
ariety of classic color for choice
with phone handsfree
computer small speakers
car bluetooth.