The TECKNET EWM01002 has got Bluetooth you will need to pair it. This mouse also comes with a USB 2.4Ghz Dongle that is included. There is a small switch on the bottom of the mouse where you can select Bluetooth or 2.4Ghz (USB Dongle).
Required for the device to function:
- (1) AA Battery
- (1) USB Nano Dongle (Included) or a computer that has Bluetooth.