Brand Name: Hongsund
Type: Wired
Number of Rollers: 1
DPI: Other
Package: Yes
Number of Buttons: 7
Operation Mode: Opto-electronic
Style: 3D
Style: Finger
Model Number: HS-A89 UP
Hand Orientation: Right
Interface Type: USB
Connection mode with computer: Wired
Roller Direction: Four-way roller
Do you support ergonomics?: Support
Number of keys: 7
Product weight: 0.131
Interface: USB
Photoelectric Resolution: 7200
Line length: 1.5
Product size: 12.7x7x4cm
Resolution adjustable: Four stalls