General Radio
Bluetooth Class II: 20 meters (in open space)
Carrier Frequency: 2.4 ~ 2.483GHz
Data Rate: Up to 3Mbps
(The maximum operating range depends on the environmental factors. )
Bluetooth Standard: Bluetooth v2.0 + EDR
Spread Spectrum: FHSS (Frequency Hopping Spread Spectrum)
Modulation Method: GFSK (1Mbps), 1/4-DOPSK (2Mbps), 8DPSK (3Mbps)
I/O Interface: USB version 1.1
Input Power: DV 5V (USB Power)
Sensitivity: -82 dBm (typical), GFSK
RF Output Power: 13 dBm (typical), GFSK
System Support: Windows XP/2000/ME/98SE /vista
Dimensions: 51.0 * 16.0 * 8.0 mm
LED Indicator: Single LED

Bundled Bluetooth Software:
ESR Blue Manager
(Language Supported: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, French, Italian, German, Spanish)
Or ESI Blue Manager

Advantage Functions
Serial Port Profile
Dial Up Networking Profile
File Transfer Profile
Human Interface Device Profile
Hardcopy Cable Replacement Profile
Headset Profile
Object Push Profile
Synchronization Profile
LAN Access Profile (only avalible in Windows)
FAX Profile (only avalible in Windows)
Personal Area Networking Profile (only avalible in Windows)
Advanced Audio Distribution Profile (only avalible in Windows)
Audio Video Remote Control Profile (only avalible in Windows)
Basic Imaging Profile (only avalible in Windows)