SMK-Link Nano Dongle Bluetooth V4.0 LE+EDR Man-Made Materials 5" high 5" wide Latest Bluetooth v4.0 LE+EDR Technology for the Ultimate Connectivity The Plug-in-and-Leave-in Size Provides the Utmost Convenience Provides Seamless Connectivity to Communication and Consumer Electronics OS compatibility: Windows XP, Vista, Windows 7 and Windows 8 Connects up to 7 Bluetooth devices Bluetooth software stack: CSR Harmony Bluetooth Smart Ready v4.0 LE+EDR (Low Energy + Enhanced Data Rate) Supports up to 80-Feet/25 meters operating range when connected to a Bluetooth Smart device