Zebronics Bluetooth Dongle Usb (Zeb-Bt100)

Bluetooth standard : Bluetooth V 2.0 Bluetooth class II : 20 meters (in open space) I/O interface : USB version 2.0/1.1 Dimensions : 52.8 x 17.5 x 9.5 mm Weight : 3.7 g Frequency range : 2.402 Hz – 2.480 GHz Receive sensitivity : -80 dBm TX power : 0 dBm Range : 100 M Input power 5V from USB port System Requirement: Windows XP/2000/Vista/Windows 7 without additional driver.