Bluetooth 4.0 technology - Speeds upto 3 Mbps Range upto 33ft / 10 metres Microsoft's new Bluetooth 4.0 Low Energy support Newest Bluetooth class 2 Smart Ready specification This adapter creates cable-free connections between PCs and other Bluetooth devices such as Bluetooth enabled headsets, speakers, cell phones, keyboard or mouse and more (with Microsoft built-in drivers) at speeds of up to 3 Mbps Bluetooth 4.0 technology. Backwards compatible with Legacy Bluetooth Equipment Bluetooth 3.0, 2.1, 2.0 and 1.0 Equipment,Improves Bluetooth support for Windows 10,8.1/8,7,Vista, XP,2003, 2000,Me, 32 bit and 64 bit Supports Bluetooth stereo headsets and more with built-in Windows 10 and 8 drivers or using the included drivers for Windows 7 and earlier. Specifically works with Microsoft's new Bluetooth 4.0 Low Energy support in Windows 8 and later. Does not add Bluetooth Low Energy. Extremely compact USB adapter. Supports A2DP stereo playback, Safe to leave in for laptop travel Newest Bluetooth class 2 Smart Ready specification with v 4.0 low energy Up to 33ft/10m, wireless data exchange, audio Music Stream Enhanced Data Rata (EDR) compliant for both 2 Mbps and 3 Mbps modulation modes with gold plated connector. Brand No Brand SKU 100348339_NP-1020618432