Product Condition: 11 "Product Information (for new products)" The X2H is lighter than the original X2 and features a higher hump design. Equipped with the latest high-performance PAW3395 sensor and 32-bit Nordic MCU, you can experience the best gaming. Enjoy seamless responsiveness with lag-free 2.4GHz wireless technology. "Main Specifications" Higher hump, narrower waist - In contrast to the X2 standard model, the rear hump is higher and the waist is slimmer. This change in shape improves stability for those who use a claw grip and also enhances support when resting the palm on the mouse. The X2H is an effective choice for those who feel that the X2 is not tall enough or who want palm support. Upgraded internal structure - Improved from the previous version, ensuring shell rigidity and a more robust structure for a consistent click feel. The Pulsar Blue encoder used in the wheel is designed to provide a quiet and smooth operation while still allowing you to enjoy the tactile feel of rotation. Light-speed optical switches - Minimizes the possibility of unintended double-clicking and provides quick and pinpoint response. Combined with the Pulsar Blue encoder, which offers a dust-proof structure and a comfortable rotational experience. Cutting-edge sensor technology - Equipped with PixArt's PAW3395 sensor, achieving 650 IPS speed, 50g acceleration, adjustable 26,000 DPI, and a 1000hz / 1ms polling rate. Furthermore, with the optional 4K wireless dongle, it supports 4K polling. Cutting-edge MCU power - The main chip processor has been upgraded to the industry-leading Nordic MCU, achieving outstanding power efficiency and accurate, high-speed processing. As a result, battery life is extended, and battery reading accuracy is improved, allowing you to enjoy long gaming sessions with peace of mind.