? Rechargeable Wireless Mouse: Built-in 500mAh high quality rechargeable battery means you can recharge whenever you want. When you leave your mouse more than 5 minutes, it will automatically get into sleep mode which saves electricity of the mouse, and click any button for waking up the mouse again (P.S. Please recharge for 1 hour when the mouse is new before use). ? Silent Click: Silent clicking design for left and right button fits the circumstance for using the mouse in public, such as library, dormitory, office and so on, and apart from blue light indication during recharging and light off after full recharge, this design results worry-free for disturbing others. ? 2.4GHz Nano USB Mouse: Stable connection up to 10-meter working distance and just simply incert the nano USB. Three adjustable DPI (1000/1200/1600) for freely controlling mouse speed. ? 6 High Effecient Buttons: There are not only left and right buttons (silent click), but also DPI adjusting button, scroll wheel and two side buttons. The function of the side buttons is helping you to back or forward when you browse website, which is more convenient for you. ? 1-Year Warranty: This wireless mouse is compatible with Windows 7/8/10/XP, Vista and Mac OS system and under the following warranty policy, 45-day unconditional refund and 12 months repairing warranty.