... ,mini usb bluetooth adapter,bluetooth adapter Bluetooth Dongle,usb bluetooth dongle, bluetooth adapter,usb dongle,usb data storage,mini usb bluetooth adapter,bluetooth adapter,USB bluetooth adapter Feature: 1. Compliant with Bluetooth version ... 4. Full speed USB interface 5. LED status software upgradeable 6. Built-in antenna 7. Frequency band: 2.4GHz ISM band ...