Features:

• Bluetooth V1.2 compliant , compatible with v1.1
• USB 2.0 compliant,compatible with USB 1.1
• Operation range: 100 meters
• Frequency band: 2.4Ghz
• Maximum data rate: 1MB; Features LED indicator and built-in antenna on ISM band frequency (2.4GHz). -89dBM@0.1%BER Sensitivity.

Editor Reviews:

Product Description:
Bluetooth USB Dongle allows a computer with a USB port to communicate with other Bluetooth-enabled devices.When used with the bluetooth application software,it can perform wireless network applications such as information exchange,file transfer,network access,dial-up networking,headset,audio gateway,printer application,and so on. Features and support: Works with All Bluetooth enabled mobile phones and devices. Bluetooth V1.2 compliant , compatible with v1.1 USB 2.0 compliant,compatible with USB 1.1 Operation range: 100 meters built-in antenna Frequency band: 2.4Ghz Maximum data rate: 1MB LED status indicator Support Win 98/SE/ME/2000/XP System requirements: Windows 98SE /ME /2000 /XP System memory: 32MB at least Hard Drive Space: 11.5MB

Rating : - It Works!
I can download to my mobile (SE Z710i) at like 70KB ps, but uploading to PC is slower.
Any way for 5$ it does work just fine!