Connection: Wired 
Interface: USB 
Key Number: 78 
Keyboard Lifespan ( times): 50000 Strokes
Response Speed: 35/ms 
 
Package size (L x W x H): 29.50 x 14.00 x 5.00 cm / 11.61 x 5.51 x 1.97 inches 
Package weight: 0.4000 kg 
Product size (L x W x H): 28.50 x 11.50 x 2.00 cm / 11.22 x 4.53 x 0.79 inches 
Product weight: 0.3200 kg