Willss USB Micro Bluetooth Adapter Dongle CSR 4.0 Achieved 3Mbps Transmission Speed Wireless Range Up to 10 Meters Micro Wireless Receiver Compatible with Mobile Phone /Printer/ Wireless Gamepad/ Bluetooth Headset /Bluetooth Speakers and Windows 8 / Windows 7 (32 and 64bit)/ 2000 / 98 / Vista / XP For Laptop Mini and compact design and portable Bluetooth Standard: Bluetooth V4.0 Converts non Bluetooth PC into Bluetooth enabled easily Support Bluetooth voice and data transmission Newest Bluetooth Specification Class 2 Bluetooth v 4.0 Smart Ready Adapter with low energy technology. (Also Backwards Compatible with Legacy Bluetooth Equipment)