Mini bluetooth wireless microphone usb mobile phone dual speakers good quality speaker microphone wheat k mobile phone
Connectionwireless frequency response hz100 10 power supplybuilt in power supply wirelessbluetooth range m5 channels21 channel connectorsusb sold assingle wireless typebluetooth bluetooth versionbluetooth 40 typewireless bluetooth speaker featuresportable surround sound stereo support memory card bult in mic outdoor mini production modeself produce
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