2.4GHz Wireless ensures reliable connection with an increased working distance of up to 30m and 250Hz super high speed rate of return, which eliminates delays, dropouts and interference. GXUV surface treatment technology and comfortable cherry wheel provide all-day comfort for work and entertainment. Intelligent power saving design eliminates the need to change batteries often. The wireless mouse will enter into power saving mode after 5 minutes free, click left or right button to wake it when you want it to work again, so the on and off switch is not required.