Bluetooth / 2.4GHz Up to 3 Devices: Bluetooth x 2, 2.4GHz x 1 , Sensor: Optical Distance: 5~10 m Report Rate: 125 Hz DPI: 1200-1600-2000 Buttons: 4 Style: Symmetric Receiver: Nano Receiver Includes: Wireless Mouse, 2*AAA Batteries, Nano Receiver System: Windows / Mac / Chrome OS / Android..