... + EDR - Bluetooth Class II: 20 meters (in open space) usb 3.0, bluetooth USB 3.0- 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 3.0, bluetooth USB 3.0