Check the listing for details. USB 2.0 Mini Bluetooth 4.0 CSR4.0 Adapter Dongle for PC LAPTOP WIN XP VISTA 7 8. Color: Black, Condition: New. Listed at 4.49 USD. Bluetooth 4.0 USB 2.0 CSR4.0 Dongle Adapter For PC LAPTOP WIN XP VISTA 7/8 10 MiniThis mini USB Bluetooth 4.0 dongle adapter offers a high speed transfer rate, very simple pairing features, it will allow devices such as your laptop offer a bluetooth function. Slim and user friendly design. Great solution to enable your computer to connect with smartphones, tablets or other Bluetooth devices. Transfer rate of up to 3Mbps, provides high-speed file and audio data transmission. Supports: Windows 98/98/SE/2000/XP/Vista, Windows 7, Windows 8, Windows 10 Transmission distance: 20-50m. Steps of operation are as follow: Driver will download when you plug into computer, if you need driver please message me. Click the "setup.exe" file to install driver. Open "My Computer". "My bluetooth device" should appear after successful installation. Insert bluetooth dongle to computer. Connect your device to computer via bluetooth, bluetooth name is"USER-XXXX"(no password required). Support voice and data transmission.Golden connecting interface ensure stable transmission.Mini and lightweight, portable to carry with. Specifications Sensitivity: -86dBm PR transmitting: +6dBm Transmission rate: 3Mpbs Transmission distance: 20m Interface: USB 2.0 Material: plastic and metal Size: 26x15x7mm Color: black Included:1 x USB2.0 CSR4.0 Dongle Adapter FeedbackWe will make every effort to make your shopping the most pleasant and wonderful! Please contact us before leaving a negative feedback, giving us a chance to resolve your problem. Customer ServiceIf you have any problems, we are very glad to help you. Please message us directly through eBay for faster response. Your inquiry is important to us and we'll respond within 24 hours.