Opened for inspection of contents. The ultra-lightweight Viper V2 Pro is a high-performance gaming mouse boasting up to 80 hours of battery life. - Model Name: Viper V2 Pro - Color: Black - Battery Life: Up to 80 hours - Sensor: Focus Pro Optical Sensor - Polling Rate: 1000Hz - Weight: Lightweight Design Thank you for viewing. Please read my profile. Feel free to ask any questions about anything that is difficult to understand in the photos, and I will answer them.