EQ Sound Effects: Normal, Classical, Jazz, Pop, Rock, Country. - Bluetooth Connection Distance: ＜ 10m. - Signal to Noise Ratio: ≥ 75dB. - Radio Frequency: 87.5Hz-108Hz. Turn on 2 soundbar devices, long press "the mode switch button" on one of the devices until you hearing ding dong, the two devices are successfully Connectivity.
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