● Brand: A4Tech
● Model: OP-330
● 4-Way Smart horizontal vertical scrolling
● 5 M Clicks Button Lifetime
● Resolution: 1200 DPI
● Wider Scroll Wheel
● Keys: 3
● Connection Type: USB Wired
● Optical Sensor Resolution: 1200 DPI
● Cable Length: 150 cm
● System Requirements: Windows 7 / 8 / 8.1 / 10
● Switch Lifecycle: 5 million clicks
● Color: Black
● Warranty: 1 Year