PixArt PAW3395/3950 Sensor: Ensures ultra-precise tracking for smooth and responsive performance in both gaming and work. PixArt PAR2862 MCU: Developed by the same manufacturer as the sensor, this high-performance main chip offers superior compatibility, enhanced efficiency, and greater system stability. Nano Frosted Coating: Provides a comfortable, secure grip while resisting fingerprints and wear. Long-Lasting Battery: A 500mAh battery delivers over 80 hours of continuous use, keeping you powered longer. Kailh White Blade Switches: Rated for 100 million clicks, offering crisp and reliable feedback. 1K/8K Polling Rate: Switch between 1K and 8K for optimal speed and ultra-low latency performance. Note: The S9 includes a 1K receiver, while the S9 Pro and Ultra come with an 8K receiver. Contact support for separate purchases.