3 Mini Bluetooth 4.0 CSR4.0 USB Adapter Dongle The link to download driver : http s://drive.google.com/open?id=0B9aLjjmqW0lyZHJHdDZfT3RhSWM (*Please delete the space between http and s before open the link.) Low power dual mode USB Bluetooth Support 1.2/3.6V input and output Support Bluetooth voice and data transmission Support for multiple languages The internet and LAN interface Support for mouse and keyboard Bluetooth Standard: Bluetooth v4.0 Easy plug&play A Simple Solution To Enable Your Computer to Communicate With Bluetooth Enabled Devices Such As Mobile Phones, Printers, Bluetooth Headsets and Bluetooth Speakers Newest Bluetooth Specification Class 2 Bluetooth v 4.0 Smart Ready Adapter with low energy technology. (Also Backwards Compatible with Legacy Bluetooth Equipment) Specification: Supporting profiles: Networking, Dial-up, Fax, LAN access Operation system: Windows98, 98se, Me, 2000, XP, Vista, Windows7, Windows8 Interface: USB Compliance Symbol Rate: 3 Mbps Receiving / sending range : 20m-50m Package Content: 1 x Mini USB Bluetooth 4.0 Wireless Adapter Dongle PLEASE NOTE: Item is coming without retail package. Pictures are as examples. Please note that content of the cd is available at link given above.