ITEM NAME:3.5MM Aux Car Bluetooth Audio Receiver Converter Handsfree Speaker Adapter.With 3.5mm aux port to be Bluetooth enabled. 4.1 SECOND SWITCHING BUTTON: J19 Bluetooth car aux adapter designed with PHYSICAL ON/OFF. Interface: usb2.0 micro b/3.5mm aux. CSR CHIP FOR CD-LIKE MUSIC FEAST: Adopted Bluetooth 5.0 technology for providing more.
