1) General radio:
    a) Bluetooth Class I: 100 meters (in open space)
    b) Carrier frequency: 2.4 - 2.483GHz
    c) Data rate: up to 3Mbps
2) Bluetooth standard: Bluetooth V2.0 + EDR
3) Spread spectrum: FHSS (frequency hopping spread spectrum) 
4) Modulation method: GFSK (1Mbps), DOPSK (2Mbps), 8DPSK (3Mbps) 
5) I/O Interface: USB version 1.1 
6) System support: Windows XP / 2000 / Me / 98SE
7) Dimensions: 51.0 x 16.0 x 8.0mm
8) LED indicator: single LED 
9) Bundled Bluetooth software: ESR BlueManager (language supported):
    English, simplified Chinese, traditional Chinese, Japanese, Korean, French,
    Italian, German, Spanish) or ESI BlueManager
10) Advantage functions:
     a) Serial port profile
     b) Dial up networking profile
     c) File transfer profile
     d) Human interface device profile
     e) Hardcopy cable replacement profile
     f) Headset profile
     g) Object push profile
     h) Synchronization profile
     i) LAN access profile (only available in windows)
     j) Fax profile (only available in windows)
     k) Personal area networking profile (only available in windows)
     l) Advanced audio distribution profile (only available in windows)
     m) Audio video remote control profile (only available in windows)
     n) Basic imaging profile (only available in windows)