A4tech (FB20S) Fstyler Dual Mode Bluetooth & 2.4GHz Wireless Optical Mouse (Smoky Grey)

A4tech FB20S Dual Mode Bluetooth & 2.4GHz Wireless Optical Mouse, No-Lag Technology, Battery Power Saving Up to 8 Months, 16-in-One Software (For PC Only), 4-Way Wheel (For PC Only), Power On/Off Switch, Switch up to 3 Devices, Symmetric Design, Buttons Silent Clicks (FB20S), 2.4G USB Nano Receiver, Sensor: Optical, Operation Range: 5-10 m, Report Rate: 125 Hz, Resolution: 1200-1600-2000 DPI, Battery: 2*AAA Alkaline Batteries, Buttons No.: 4, Weight: 83 g (w/ battery), System Support: Windows / Mac / Chrome OS / Android