... + EDR - Bluetooth Class II: 20 meters (in open space) USB Wifi, USB dongle,Wifi Dongle- Bluetooth Standard: Bluetooth v 2.0 + EDR- Bluetooth Class ... II: 20 meters (in open space)- I/O Interface: USB version ... Chinese, Traditional Chinese, Japanese, Korean, French, Italian, German, and Spanish) USB Wifi, USB dongle,Wifi Dongle