MIATONE Bluetooth Adapter Bluetooth CSR 4.0 USB Adapter Dongle 33ft/10m for Laptop PC Support All Windows 10/8//8.1/8/7 XP/Vista,Raspberry Pi,Keyboard,Mice MIATONE BlUETOOTH CSR 4.0 ADAPTER supports maximum transfer rate up to 3Mbps and transmission distance up to 33ft/10m in open space with low signal delay. (Not compatible with Mac, Linux, TV or Car stereo systems) MULTIPLE USE for cable-free connections between your PCs laptop and other bluetooth devices,enjoying wireless stereo music, Skype, Google Hangouts or other VOIP calls, data transfer, keyboard, mice,headpsets or wireless PC gaming with controller. 100% COMPATATIBLE with all Windows 10/8.1/8/7 XP/Vista,Raspberry Pi. INSTALL FREE DRIVER from the CD included or download online driver from below link: https://drive.google.com/folderview?id=0B4djr9YRB-YBem4yMUVleXpld2c&usp=sharing MIATONE's 7*24 online support standing by, RISK FREE 100% money-back guarantee, 2-Years Replacement Warranty and life-time technical support.