Features:<br /><br />1.Compact and tiny<br /><br />2.Plug and play・ no driver needed <br /><br />3.Compatible With Windows 98・ 98SE・ ME・ 2000・ XP・ VISTA・ Win 7. <br /><br />4.Connect to Bluetooth devices such as mobile phones ・ PDA or PC ・ for data transfer・ networking・ and dial-up ・ fax etc<br /><br /> <br /><br />Specification:<br /><br />1.Bluetooth Version: 2.0<br /><br />2.Supports USB versions: 2.0・ 1.1・ and 1.0<br /><br />3.Secure Transmission Level: 128-bit encryption<br /><br />4.Connection Speed: 3 Mbps<br /><br />5.Power Saving: Class 1 Device<br /><br />6.Dimensions: 52x19x9mm<br /><br />7.Pairing and Transfer Range: 100 meters (reality around 10 ~ 20m in open space・ the maximum operating range depends on the environments factors.)<br /><br />8.Color: Blue<br /><br /><br />Package Included:<br /><br />1 x Bluetooth USB Dongle<br /><br /> <br /><br />Note:<br /><br />1.please allow 2-3% difference according to manual measurement.<br /><br />2.According to the difference of the lighting and monitor setting ・the actual product may have a little color difference to the picture. <br /><br />3.There may be differences in detail cause the different batches of goods・but that will not affect anything of your personal use. Thank you so much for your consideration.<br /><br /> <br /><br /> <br /><br /> <br /><br /> <br />