Front cover with magnets remove-able  for camera access

Lens Spacing is (how far appart) adjustable  via turn knob center top

and via knob on the side for lens to phone spacing

to fit users of all sizes

Pictured below with 5.5" phone for reference

Front cover is hinged and flips open to place phone ie easy to access/adjust phone if needed

Note some apps require phone to have gyro sensor

Sensors can be checked via app downloadable from google play

"Sensor box for android"

some app's that use axis control for movement etc will still work if no gyro sensor

a Gyro sensor is highly recommended for head tracking etc  as some apps use the gyro only

Bluetooth controller as an optional extra At R125

can be used to navigate to launch apps

control in games depends on game support