1.Push the power switch to the end marked with the Bluetooth logo(when you can see the light was long red) 2 .hold down the left and right mouse buttons and the middle scroll wheel at the same time for 5 seconds(when you can see that the light turn to blue and slow blink) 3. find the bluetooth at your equipment and paired to it Product specification 2.4 g wireless mode:(for computer or laptop) how to use (2.4 g wireless mode ):1.Push the power switch to the end marked with 2.4G(when you can see the light was GREEN) take off the usb wireless receiver from the mouse and plug it into a computer or laptop. It can be used when the mouse shows a red light Keyword: 1. Bluetooth 3.0 standard interface 2. Effective operating distance: within 10 meters 3. Modulation method: GFSK 4. Standby current: <0.3mA 7. Sleep current: <40uA 8. Charging current: >200mA 9. Standby time: >100 days 10. Charging time: 3-4 hours 11. Lithium battery capacity: 200mA 12. Sustainable working time: 100 hours