All 4-10″ Smartphones, tablets and e-readers can be placed on the phone stand for desk firmly. You can liberate your hands to enjoy calling with family or friend, to take a record in video conference, to snack while watching video etc. It allows you to customize the angle of your device flexibly to find the most comfortable viewing angle. Reduce the frequency of looking down at the phone screen to avoid hurting your back and neck. You can freely watch video or chat with friends while charging.