Huawei Mate 9 Pro User Manual page 8

Optical proximity
Secondary
microphone 1
Infrared sensor
Dual-tone flash
Dual-lens
camera
Laser sensor
USB-C port
Primary microphone 1
sensor Earpiece
Status
indicator
Headset jack
Secondary
microphone 2
Ambient light
sensor
Front camera
Volume button
Power button
Left navigation
key
Primary
navigation key/
Fingerprint
scanner
Right
navigation key
Speaker
Primary
microphone 2