Bluetooth USB adapter version 5.0. Connect Bluetooth devices such as mobile phones, PDAs or tablets to your computer or other accessories such as compatible mice, keyboards or speakers. It connects easily through any USB port. Version 5.0 of bluetooth improves the speed of communication between devices in addition to reducing battery consumption. Data transfer: 3Mbp/s. Range: 20m(receiving), 50m(sending) Plug and Play: does not require additional software to function.