Specification: 1. Dual-mode support Bluetooth 4.0 low energy and Bluetooth 3.0 2. Full-speed USB 2.0 interface 3. Bluetooth v4.0 specification compliant 4. Support Bluetooth EDR data rate to 3Mbps 5. LED indication: Power on Linking Standby 6. Support plug and play Compatible Operating Systems: Windows XP Vista win 7 win 8 Compatible Software: Harmony or BlueSoleil. Support BlueSoleil 10.Class 2 power standard. Compatible Bluetooth Profiles: FTPA2DPHFPHIDDUNPANPBAPSPPOPPBPPBIP ect. Description: 1. The smallest bluethooth 4.0 USB dongle. Strong wireless signal in ultra tiny size. 2. Connect your Computer/ Laptop with Bluetooth Enabled Devices such as Mobile Phones Printers Keyboard Headsets etc. Let ordinary speakers instantly become wireless Bluetooth stereo audio music speakers. 3. The Latest Bluetooth 4.0 technology provides strong connection with working range maximum upto 10 meters.