Specification:

Type: virtual reality glasses headset
Compatible with: 4.0-6.0 inches phone
Size: 20*12*10cm
Net weight: 330g
Texture: super soft fiber
Adjusting range of focal distance: 20mm
Adjusting range of pupil distance: 55-68mm

Adjustable pupil distance (PD) and focal distance(FD)
Full resolve your concern