Mouse Comparison

A4Tech V-Track Optical Mouse N-551FX, A4Tech D-320
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A4Tech V-Track Optical Mouse N-551FX

A4Tech D-320

 Adjustable weight No No   
 Ergonomic No No   
 Multimedia buttons No No   
 Number of buttons Sealed Button   
 Operating resolution    
 Trackball No No   
 Type of motion sensor Optical Optical  
 Scroll wheel       
 Horizontal (lateral) No No   
 Number of wheels  
 Connection Cable Cable  
 Also for left-handed No No   
 Hardware connection USB USB  
 Colour Black White  
 Manufacturer warranty    
 Release year    
 Product page    
Price 899-Rs 899-Rs