Wireless and Bluetooth 4.0: With Dual Mode Connection. It can work on TWO DEVICES, connecting one device through Bluetooth and the other through 2.4GHz USB Receiver. You could switch the mode between two devices by just one click. Note: You can't use Bluetooth mode and 2.7GHz at the same time. Special soundless design for the right and left buttons, make you concentrate on working or playing games without disturbing others.Switch DPI levels among 800, 1200 and 1603 to to meet your needs with high precision. Advanced Optical Tracking Technology ensures greater sensitivity for precise tracking on a wide range of surfaces.
