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In the section of technical Castomers Support CROWN, You can find the software

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CMBS-308

Portable Bluetoch-Speaker CMBS-308 Cube

Bluetooth specification

V3.0

Transmission distance

≦ 10M ( It varied when the environmental factors and the connected Bluetooth devices are different )

Output power

6W

Sensitivity

85db±3db

Frequency response

100 Hz-20KHz

S/N ratio

≥ 80dB

Microphone

Yes

Built-in battery

Lithium battery, 1200mAh

Weight

383g

Size

90*90*90mm

CROWN takes care about its users and offers a variety of ways to communicate with the Department of Technical Support, among which you can choose the most convenient for you.