Only involve innovation in the our classic works , can we achieve sustainable development in this Era of survival of the fittest
For blg slze snartphones. Ullock tre wldtl adLlstlent bLltton to exterd to sLlltable wltlfor slartplores and lock the buttol then ulscrew the clamp knob, attach the smartphone to smartphone clamp, tighten the clamp knob. For small size smartphones, unscrew the clamp knob to proper clamp knob attach the smartphone to smartphone clamp tighten the clamp knob. For small size smartphones unscrew the clamp knob to proper wldth to ol tle slartphone ald attacl tle srartplole to tle clamp. tilter the clamp knob

or install it directly on the 1/4″ mounting stud