Delux M618Mini Bluetooth 4.0 + 2.4G Wirele Mute Vertical Mouse 4 Gear DPI RGB Ergonomic Rechargeable Mice for Small Hand Users Features: built-in fast rechargeable Li-ion battery, no worry about using the mouse when charging ergonomic streamline design, help you get rid of fatigue caused by long-term use of traditional mouse,relax you ultimatel Switch between bluetooth 4.0 and 2.4G wirele modes freely, simplify multiplatform operatio Auto energy-saving sleeping mode, the Auto Switch Off function will help you save energy as your Wirele Mouse will switch off when your PC is turned off. Remark: on/off the light via preing left, mid, right button simultaneously Specification: Connection: 2.4G wirele + Bluetooth 4.0 Interface Type C Battery: 1000mAh polymer Li-ion battery, rechargeable Type: M618mini wirele vertical mouse Resolution: 800/1200/1600/2400DPISwitch freely Backlight: RGB dynamic lighting effects, automatic sleep mode Driver: Available,customize keys as you like FPS: 4000 Report Rate: 125Hz Acceleration: 10G Working current: <25mA Working Voltage: 3.7V Weight: 150g+/-5g Dimension: 103*89*69mm Compatible system: for Windows XP/7/8/10 Keys: 6 (left/right click, scroll wheel, forward/backward and DPI button) Always pay attention to your health Bionic volute design, vertical grip, keep your hands comfortable relax you ultimately Charging 1-1.5 hours, standby 5-6 days Three steps, easy enjoying 1.turn on the mouse 2.turn on your bluetooth device 3.pre the button till your device recognize it 4.connect bluetooth mouse,start working Easy and intelligent connection, give you confidence switch between bluetooth 4.0 and 2.4G wirele modes freely, simplify multiplatform operation Magnetic field interaction, built-in fast rechargeable Li-ion battery no worry about using the mouse when charging 500mA polymer Li-ion battery Easy to control, Switch freely between 4 gear DPI(800/1200/1600/2400) through DPI button All we do is just for satisfying your needs perfectly Keep pace with times, continuous evolvement