Specification :

* Compliant with Bluetooth v2.1 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            20m operating range
* Sensitivity: -89dBM at 0.1% BER           
* System requirement: PC or notebook with USB port, Windows2000, XP , Vista Win 7