Model Name: GENIUS ERGO 8200S

Specification :

• RF Frequency: 2.4 GHz
• Sensor engine: BlueEye
• Resolution (DPI): 1200
• Number of buttons: 5 (Left, right, middle button with scroll, forward, backward)
• Battery type: AA
• Other: —
• Weight (g): Approx. 65 g (includes receiver)
• Dimensions (W x H x D): 73.5 x 107.8 x 40.6 mm
• System requirements: Windows® 8, 10, 11 or later / macOS X 10.8 later / Linux OS / Available USB port