Designed for maximum compatibility, small size, and low power, this Plugable adapter upgrades Windows and Linux PCs with the latest Bluetooth 4.0 support. The adapter is a compact USB Class 2 Low Energy Bluetooth Adapter with LED. It works with other Bluetooth devices within approximately 10m (30 foot) radius, depending on environmental factors, with transfer rates up to 3 Mbps. The adapter offers the market leading Broadcom BCM20702 chipset and backwards compatibility with classic Bluetooth (1.x and 2.x) devices. It offers the option of the Broadcom (WIDCOMM) software driver stack, for cases when the built-in Windows drivers do not provide all desired Bluetooth functionality. Supported Operating Systems Windows XP, Vista, and Windows 7 (with included Broadcom drivers) Windows 8 (with built-in drivers; Broadcom drivers not needed for most common profiles) Linux kernels 3.0.34 and higher, with open source stack (may have limited functionality vs Windows, some Linux distributions need additional manual configuration) In the box Bluetooth Micro Adapter with LED (BCM20702 chipset), Broadcom driver installation CD and Quick Start Guide.