Generic MC0059 Charger for Mac OS, Linux, Windows Vista 32/XP/2000/Me/98 - Non-Retail Packaging - Blue Wireless data connectivity between computers and Bluetooth enabled devices such as cell phones, PDAs, printers, headsets and more Bluetooth V2.0 + EDR (Enhanced Data Rate). USB 2.0 high speed, backward-compatible with Bluetooth 1.x Working distance up to 20 meters with no obstructions