Product name: 2.4 g wireless keyboard; 

number of keyboard keys: 110; 

keyboard key life: ≥8 million times; 

keyboard character: Silk Screen; 

keyboard size: 430 × 135 × 25.8 mm; 

keyboard weight: 450 g ± 20; 

keyboard size: 450 g ± 20 Note: can be made into 2.4 + BT/2.4 + BT + charging version; 

all versions can also be made into luminous version(using 550mah alkaline battery 1 PCS, working current of 3AM)