Quickly and Securely Mount and Easily Remove the Smartphone, iPhone, iPod, Samsung, from Arm.
Convenient to Use in Multiple Purpose Such as Workout, Running, Hiking, etc.
Universal Adapter Adheres to The Back of Smartphones or Most of Phone Cases with Smooth Flat Surface on The Back
Built-In Magnet & Clip Locking Mechanism Fits Arms 8.5 To 19" Around
Not Compatible With Silicon Case, Rubber Case, Wood Case, Rough Surface Case