Specifications:

• Antenna Bluetooth 5.1: Bluetooth 5.1
• Bluetooth 4.0 usb adapter: wireless network card
• Bluetooth 5.1 adapter: Bluetooth Adapter,USB Bluetooth
• Bluetooth 5.1 usb dongle: mini Bluetooth AdapteR
• Bluetooth 5.1 usb dongle: wireless network adapter
• Bluetooth 5.1wifi dongle transmit: bluetooth adapter usb 5.1
• bluetooth adapter 5.1: Wireless USB Bluetooth Adapter 4.0
• bluetooth dongle 5.1: WIN 7/WIN8/10 operating system
• Bluetooth Standard: Bluetooth v5.0
• bluetooth usb adapter: bluetooth adapter 5.1
• Brand Name: comfast
• Certification: CE
• Model Number: CF-B03 bluetooth adapter
• Origin: CN(Origin)
• Package: Yes
• usb bluetooth 4.0: USB Bluetooth Receiver
• USB Bluetooth Adapter 5.1: usb bluetooth 4.0