1.Scissor foot key structure
2.Layout optional : US, UK , KR, JA
3.Interface: BT3.0
4.Battery: AAA1.5V*2
5.Big Enter key
6.Aluminum panels are available
7.Key number: US 109
8.Distance: 10M
9.Frequency: 2402-2480MHz
10.Compatibility：2000/XP/Vista/7,8,10,Android, Mac OS etc.
11.Size: 437*120*22.2mm
