Model: HXSJ V900 Number of keys: 61 keys Design: 60% Compact Type: Mechanical Response Speed: 1000Hz Polling Rate Connection: Wired USB Type Lighting: RGB / Multi-mode lighting Processor: ARM Operating Frequency: 48 All keys support Anti-Ghosting / Non-Conflict Key lifespan: Up to 20 million clicks or more depending on the version Cable length: 1.75 meters Dimensions: 28.9 x 3.8 cm Weight: Approximately 537 grams