Clamp M is a premium Universal mobile Holder with a cradle to hold any smartphone up to 6 inches as it is charged with USB cable from any good car charger.. You always drive your car while using your smartphone for viewing directions on the Google Maps or talking on the speaker phone. You take huge risks of holding the phone in your hands for these activities.. Clamp M has a mobile holder with high quality, lightweight, temperature resistant and strong ABS body. To use, simply clamp your smart device on the cradle arm of Clamp M without the fear of it falling down during bumpy drives.