Sensor: HERO 2 sensor (up to 44,000 DPI, 888+ IPS, 88 G), Polling Rate / Refresh Rate: Up to 8000 Hz (8 kHz), Response Time: 0.25 ms / 0.5 ms, Connectivity: LIGHTSPEED Wireless (2.4 GHz RF) and USB, Battery Life: Up to 95 hours of constant motion, Battery Capacity: 290 mAh (built-in battery), Charging Interface: USB-C, Wireless Charging: POWERPLAY compatible, Number of Buttons: 5, Main Switches: LIGHTFORCE Hybrid Optical-Mechanical, Feet Material: Zero-additive PTFE, Weight: 60g