Features:
1) Compliant with bluetooth spec. V1.1 
2) Compliant with USB spec. 1.1 
3) 0dBm class 2 output power 
4) Sensitivity: better than 80dBm 
5) 10m (33') working distances 
6) Supports 79 channels 
7) Transmission rate: 723Kbps 
8) OS supports windows 98SE / 2000 / ME / XP and later 
9) Supports point-to-point (Piconet) and point-to-multipoint connections 

Specifications:
1) Bluetooth compliant: Bluetooth specification V1.1 
2) USB Interface: USB 1.1V (Type A) 
3) Operating range: up to 10m (open space) 
4) Radio frequency range: 2.4 - 2.48GHz unlicensed ISM band 
5) Modulation: GFSK (Gaussian Frequency Shift Keying) 
6) Device power class: class 2 
7) Spectrum: FHSS (frequency hopping spread spectrum)
8) Data rate: 1Mbps
9) Build-in-security: encryption and user authentication 
10) Compatible OS: Windows 98 / 98SE Windows Me, Windows 2000 and 
      Windows XP 
11) Operating power: powered by USB port directly 
12) LED indicator: power 
13) Bluetooth profiles supports: 
      a) Human interface device 
      b) File transfer 
      c) Dial-up networking 
      d) Bluetooth serial port 
      e) LAN access 
      f) Synchronization 
      g) Fax 
      h) Network access 
      i) Printer 
14) Dimensions: 55 x 18 x 10mm

Outer packing:
20pcs/ctn
Carton dimensions: 46 x 45 x 24cm
N.W.: 2.5kg
G.W.: 3.2kg