Model name: GENIUS NX-8008S

Specification :

• RF Frequency: 2.4 GHz
• Sensor engine: BlueEye
• Resolution (DPI): 1200
• Number of buttons: 3 (left, right, middle button with scroll)
• Battery type: AA
• Weight (g): Approx. 54.5 (includes receiver)
• Dimensions (W x H x D): 60 x 100 x 38.8 mm
• System requirements: Windows 7, 8, 10, 11 or later / macOS X 10.8 later / Linux OS / Available USB port