The slimmest dongle v2.0 + EDR, Class I
1. General Radio: Bluetooth Class I, 100 meters (in open space)     
2. Carrier Frequency: 2.4 ~ 2.483GHz     Data Rate: Up to 3 Mbps
3. Bluetooth Standard: Bluetooth v2.0 + EDR
4. I/O Interface: USB v2.0 & 1.1
5. System Support: Windows 2000/XP/Vista
6. Dimensions: 52.5 * 17.8* 8.5 mm
7. Weight: 3.6 gram
8. LED Indicator: Single LED
9. Bounded Bluetooth Software: IVT Bluesoleil 2.x & ivt 5.x (Language Supported: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, French, Italian, German, Spanish, Danish, Dutch, Finnish, Norwegian, Polish, Portuguese, Russian, Swedish)