This bluetooth adapter is for those don't have bluetooth built in. Such as Windows computers, Smartphones, tablets, keyboards, mice, speakers, printers, headsets and more. However, it pairs all the windows types except windows CE; While it doesn't support linux. | This bluetooth dongle creates cable-free connections between PCs and other Bluetooth devices. It is an ideal Solution to transfer File/data(such as Audio, Voice, photos and so on) to your Desktop and Laptop | Strong Signal: Transmission rate up to 3Mbps and transmission distance up to 33ft/ 10m (In free space without interference or obstacles) | Simple paring & Easy Installation: PLUG & PLAY. Backward support classic Bluetooth V3.0/2.1/2.0/1.1 | Package Included: 1*bluetooth adapter; 1* CD; One year warranty