Parameters:◎2.4G Wirele Transmiion Technology,10M wirele receiving distance.◎Rechargeable design, built-in 500 mAh lithium battery◎ Third gear DPI adjustment design◎ quiet and elegant office wirele mouse◎ High resolution: Max 1600 DPI high resolution for fluid motion◎ Fashion ergonomic design: ergonomic design, comfortable grip, stylish appearance, easy to carrySpecification:1:Material: ABS2:Key life: 5 million times(Mute switch)3:Wirele distance: 10m4:Battery capacity:500mAh(Chargeable lithium battery)5: Rated voltage / current: 3.7V / 18mA6: Support System: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest. ANTI-SLIP GRILLE WHEEL SMOOTH OPERATIONSmooth operation,efficient and more comfortable LONG BATTERY LIFE,NO DEED TO CHARGE500mAh rechargeable lithium battery,2-3 hour charger time SILENCE CLICK- SILENCCLICKNOT DSTURBINGIntimate mute button,whether in a quiet office,even studying at night will create a quiet and comfortable environment for you GOOD LOOKING,GOOD USING,PUT IT DOWN COZY ELE PEBBLE-LIKE FEELExquisite volume,fits the curve of the hand delicate and comfortable Long battery life: Thanks to energy-saving engineering, the battery replacement interval can reach 18 months, and the silent mouse automatically goes to sleep when not in use to save battery life Universal design for both left and right hands: This wireless mouse is ergonomically designed, more comfortable and precise than a touchpad, suitable for left-handed and right-handed users, and small enough to be carried in a bag Vivid color options: Personalize your workspace with the eye-catching colors of this wireless mouse, adding a touch of style to your desk. Portable and durable - The USB receiver plugs into a PC USB port and can be conveniently stored inside the wireless mouse when not in use. Perfect for work and play at home or in the office.