Model name: A4TECH G9-500FS Silent

Specifications:

• Type: Wireless
• Connection: 2.4G Hz
• Ergonomic Design: Right-hand Fit
• Sensor: Optical
• Resolution: 1200 DPI
• Report Rate: 125 Hz
• Buttons No.: 4
• Receiver: Nano USB Receiver
• Power Source: 1AA Alkaline Battery
• Net Weight: 87 g (w/ battery)
• System Requirements: Windows XP / Vista / 7 / 8 / 8.1 / 10