... . *Operation system: Windows 98,98se,me,2000,XP,Vista *Interface: USB compliance *Symbol rate: 3Mbps *Receiving/Sending range: 0-100m Features ... to Bluetooth devices such as Mobile phones,PDA or PC,for data transfer,Networking,and Dial-up,Fax. *Enabled wireless connection ... Bluetooth headset. *Supporting Bluetooth vioce data *Supporting Multi languages Bluetooth USB Adapter Tiny Thumb size