HAVIT Bluetooth 4.0 USB Dongle Adapter, Wireless Receiver, Low Energy, for PC,Stereo Headphones,Cell Phones,Speaker (HV-888) Latest Bluetooth 4.0 Adapter, low energy, dual power. High speed up to 3mbps wireless transmitter enables long range connectivity up to 10m. Easy solution for your Computer to Communicate With Bluetooth Enabled Devices Such As Cell Phones, headphones, Bluetooth Headsets, Bluetooth Speakers, Printers and More. Broad Compatible - work with Win 7/10/98/98se, Me / 2000 / XP. Note: Does not work in car stereo systems or TVs The installation CD is hidden Inside of the package,you need to install the CD ,and it is NOT plug and play directly;The interface is easy to learn.