Mouse Connection Steps Take out the receiver at the bottom of the mouse, plug it into the USB port of the computer, and wait for about 15 seconds. Turn on the switch at the bottom of the mouse move it to the ON position, the mouse lights up for a few seconds means: the mouse is turned on. Push the switch to , the mouse will turn on the seven-color breathing light mode. Bluetooth connection: Push the switch to ON and the red light flashes, then you could connect to the mouse Bluetooth. Packing 1pcs mouse 2.4G 1pcs mouse Bluetooth Please check whether the style is correct before purchasing!! Built-in large capacityrechargeable battery Mouse support electric smart cycle.A 800 MAH large capacitybatteries. Standby and support charge while using for A long time.The game is wanton play. NOISELESS CLICK Silent design for left and right buttons, no worry about disturbing others. 2.4G WIRELESS BLUETOOTH DUAL MODE The 2.4G model does not come with Bluetooth, please pay attention when purchasing Ergonomic design A good mouse is more comfortable and easy to operate Feel close tothe heart High Precision Engine Sensitivity 3200DPl Movement speed 450IPS Tracking Accuracy 99.4%