turning NEW USB Bluetooth 4.0 Low Energy Micro Adapter (Windows 10, 8.1, 8, 7, XP, Raspberry Pi, Linux Compatible; Classic Bluetooth, and Stereo Headset Compatible) Connect your Computer/Laptop with Bluetooth Enabled Devices ,such as Mobile Phones, Printers, Headsets, Stereo headphones ,speaker and others The CSR8510 chips, truly meet the technical specifications of Bluetooth 4.0, dual-mode transmission.longer transmission distance: 20m long transmission distance (non-blocking), a strong signal. Simplified use with an attractive user interface Specifically works with Microsoft's new Bluetooth 4.0 Low Energy support in Windows 8 and later. Does not add Bluetooth Low Energy capability to Windows versions that don't have it. One year warranty