Model number: WG9S Size: 122 × 67 × 40 mm Connectivity: Wired, StrikeSpeed Wireless Chipset: Pixart 3311 DPI: 12,000 Speed/acceleration: 300 IPS / 35 G Switch: Huano, rated for 20 million clicks Polling rate: Up to 1000 Hz Encoder: 300,000 scrolls Weight: 89 g Battery: 300 mAh Li-ion Usage time: Up to 70 hours Software support: Yes