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USB Version | | | | | ||||
USB plug-and-play(USB direct power supply) | | | | | ||||
3W speaker+ double vibrating membrane | | | | | ||||
Echo cancellation,double talk, noise reduction | | | | | ||||
Bluetooth version | | | | | ||||
Bluetooth 5.2 wireless connectivity | | | | | ||||
USB Plug and Play | | | | | ||||
3W speaker + double vibrating membrane | | | | | ||||
Echo cancellation, double talk, noise reduction | | | | | ||||
Battery docking station(optional) | | | | |