SNANSHI Mini USB Dual Mode Wireless Bluetooth CSR 4.0 Dongle Adapter for Cell Phone PC Laptop Win7 8 XP 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 2.1/2.0/3.0.) Interface: USB Compliance Supporting profiles: Networking, Dial-up, Fax, LAN access Operation system: Windows98, 98se, Me, 2000, XP, Vista, Windows7, Windows8