Number of Buttons 7 Connection 2.4G / BT / USB Sensor Pixart 3325 Switches Huano 20M Resolution ≤ 10000 DPI Polling Rate 125/250/500/1000Hz Acceleration 20G Rated Input 5V DC / 150 mA Battery Capacity 300mA Cable Length 1.6 m (braided) Dimensions 123 x 62 x 40 mm Weight 62 g