1. The clips is adjustable : The max opening is 76 mm, perfect fits for 4.8 inches mobile phones.
2. Elastic fixation design : With elastic fixation rubber band, the size of steer wheel won't effect the installation.
3. Easy installation : No need extra tools, just a few seconds to finish it.
4. Safety : The device is highly compact with the steer wheel, can be moved freely, no security risk.
5. Protection : The device is embedded with soft silicone pad, which protect your phone form scratching or gash.