Nokia E90 Keys & External Cover

1 Earpiece
2 Power key
3 Voice key
4 Navi™ scroll key
5 Selection key
6 Selection key
7 Clear key
8 End key
9 Infrared port
10 Capture key
11 Microphone
12 Headset connector
13 Charger connector
14 Mini-USB port
15 Call key
16 Menu key

1 Camera lens
2 Camera flash
3 Loudspeakers

Via Nokia E90 Communicator User Guide