Bluetooth USB Dongles Class II, V 2.1 & or   class 1

1. Bluetooth Class II: 20 meters (in open space) & class 1 100m

2. Carrier Frequency: 2.4 ~ 2.483GHz

3. Data Rate: Up to 3Mbps

4. Bluetooth Standard: Bluetooth v2.0 + EDR

5. I/O Interface:  USB version 1.1

6. System Support: Windows XP/2000/Vista

7. Dimensions: 22 * 15* 7.5 mm

8. Weight: 1.1 gram

9. LED Indicator: Single LED

10. Bundled Bluetooth Software: IVT 2.X  & ivt 5.x (Language Supported: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, French, Italian, German, and Spanish)