Model name: GENIUS NX-9000BT

Specification :

• RF Frequency: Bluetooth 5.0
• Sensor engine: BlueEye
• Resolution (DPI): 1200 (SmartGenius: 800, 1000, 1200, 1600)
• Number of buttons: 3 (left, right, middle button with scroll)
• Battery type: Built-in 320mAh rechargeable lithium-polymer battery
• Bluetooth operating range: Approx. 10 m
• Weight (g): Approx. 49.5 g
• Dimensions (W x H x D): 54.5 x 81.4 x 34.1 mm
• System requirements: Windows® 7, 8, 8.1, 10 / macOS 10.8 or later