This product is either discontinued or we cannot get that from suppliers.
Volan VL-BT50, Bluetooth 5.0, USB 2.0, Chipset Realtek RTL8761B, FCC, CE, RoHS, Windows 10/8.1/8/7, Black, Dual-mode support, LED Indication Power on, Linking, Standby, Full-speed USB 2.0 interface.
Volan Lan Usb- (VL-BT50).