Product information: 
 Number of keys: 6 
 Optical resolution: 2400dpi 
 Working method: photoelectric 
 Number of rollers: 1 
 Battery model: self-charged 
 Color classification: 
 1 Style: T2 black classic version with sound 
 2 Style: TT2 White Silent Classic Edition 
 3 style: TT2 black silent classic version 
 4 style: TT2 black audio version 
 5 style: TT2 silver audio version 
 6 style: TT2 black silent version 
 7 style: TT2 white silent version 
 8 style: TT2 silver silent version 
 9T2 Star Black Silent Edition 
 Wireless technology: 2.4GHz 
 Wireless distance: 10m 
 Gross weight: 110g 
 Package type: official standard 
 Whether to support ergonomics: support
 Packing list:
Wireless mouse*1