Bluetooth version 5.0. Bluetooth connection distance: <10m. Function: Bluetooth, TF card, AUX, FM, RCA input mode. 1 x Speaker Bar. Radio frequency: 87.5Hz-108Hz. TWS mode: After turning on the two devices, long press the mode switch button on one of the devices until a prompt sound appears, wait for 3S for a ding-dong sound to appear, and the two devices are successfully matched.
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