......................................................................................................................................................................................................................................................................................................
General Radio  Bluetooth Class II: 20 meters (in open space)
Bluetooth Standard Bluetooth V2.1 specification  with  EDR                             
System Support Windows /2000/XP/Vista
Dimensions 22 *18 *7.5mm
The accessories include Blister packing, CD driver.
ertificates CE, ROHS
Boundled Bluetooth Software IVT 5.0