Model:B19; Dimension:6.36.32; Bluetooth Version: Bluetooth 5.0; Item Type: Bluetooth Transmitter, Bluetooth Receiver; Wireless Operation Range:10; Brand:LITBest; Audio Port:3.5mm Microphoneaudio Interface 1; Listing Date:09/25/2020; Special selected products:COD; Bluetooth Codecs: Support apt X-HD, Support apt X, Support SBC, Support AAC