1.key quantity:17 keys
2.key material:X type, scissors feet
3.key life span:big in 4,000,000 times
4.key hat:the UV silk print
5.Connect:USB, the difference tread
6.And permit system:DOS series, WINDOWS series, UNIX, LINUX.
7.voltage:5V

Packing information:
Uacking material: Blister box
Blister Size:21.5¡Á11.5¡Á2(cm)
Out size: 47¡Á44¡Á29(cm)
Encasement quantity:100pcs
G/N Weight: 16.50/15.50 (kg)