Connectivity: BT, 2.4 GHz Bluetooth Version: 3.0 & 5.0 Sensor Type: Optical Sensor: Pixart 3212 Optical Sensor Resolution: 800 – 1600 DPI IPS: 30 IPS Acceleration: 10 G Polling Rate: 125 Hz Shape: Ergonomic Number of Buttons: 5 Switch Type: Silent Switches Switch Lifetime: 3 Million Clicks Weight: 54 ± 2 g (Without Battery) Length: 100 mm Width: 60.6 mm Height: 34 mm