link- http://shopping.rediff.com/product/...dongle/10466217?sc_cid=inhome_icon|it_cat_pod store- rediff mrp-599 deal price-99 shipping-free validity-till stock last Specifications CompatibilityCompatible with all bluetooth enabled mobile phones / computerTechnical Details Compliant with Bluetooth V1.1, V1.2 and V2.0 Class 2 operations Fully Bluetooth Version 2.0 qualified Powered by PC USB interface Full speed USB interface, compliant with USB 1.1 and 2.0 LED indication Software upgradeable Built-in antenna Frequency band: 2.4GHz unlicensed ISM band Maximum data rate: upto 6 mbps Sensitivity: -89dBM at 0.1% BER 128-bit secure encryptionSupported ProfilesDial-up networking Local area network access Fax; Serial port Synchronization file transfer Generic object exchange; audio profileSystem RequirementsPC or notebook with USB portSupportsWin XP and Vista,98,me.98se., Supported OS - Windows 7 Warranty1 Month VendorWarranty against Manufacturing defectsIn The Box1 Bluetooth Dongle