For Bluetooth Devices， Mobile Phones， Headphones， Keyboards， Speakers， Mouse， PDA， Bluetooth Data And Voice Compatible.Compatible with 64 bit and 32 bit Windows 8 and Windows 7/ Windows Vista/ Me / 2000 / XP.Convenient to use and Receiving / Sending Range: 20~50mWith low-power selectable: 1.2 to 3.6V Input/OutputSuper mini and slim size， easy to carry and installPackage Contents:1 x Bluetooth V4.0 DongleNo Bluetooth? No Problem!If your current computer lacks Bluetooth technology or uses a slower or outdated version that is less flexible， then the Tronfy? Bluetooth 4.0 USB Mini Adapter will solve your problem quickly and easily. This amazing adapter enables you to communicate with a wireless connection to wireless earphone?cell phones， headsets， PDAs， keyboards， mice and more!Product Features:- Uses a very tiny amount of overall power!- Comes with the latest Bluetooth 4.0 technology!- Compatible with all common Bluetooth devices!- Uses "Plug & Play" for Windows for easy use!- Backwards compatible with Bluetooth 2.0， 2.1 and 3.0