usb bluetooth dongle.usb bluetooth.bluetooth dongle.bluetooth * Compliant with Bluetooth v2.0 specification * Class II operation * Powered by PC * Full speed USB interface, compliant with USB 2.0 * LED indication * Software upgradeable * Built-in antenna * Equency band: 2.4 to 2.483GHz * Maximum data rate: 3MB * Sensitivity: -89dBM at 0.1% BER * 20m operating range * 128-bit secure encryption * Supports: dial-up networking, local area network access, fax and serial port synchronization file transfer, generic object exchange, audio profile * System requirement: PC or notebook with USB port, Windows2000, XP , Vista