<p>The cradle works with a screen width between 2.1” and 3.9”. </p> <p>With the expandable arm, the hight of the phone mount can reach up from 8.46 to 10.57 inches.</p> <p>The base is also adjustable and fits in standard cup holders sized between 3.02 and 4.62 inches</p> <p></p> <p>Please check your phone and cupholder size before purchase.</p>