1. Strap shoulder design allows you to carry out more convenient. 2. Shell with the back of the accessory bracket interface protective cover can be attached to the camera bracket to use. 3. Cover itself with a small stand, can be used alone on the desktop.With defferent angle design ,which can be meet all kinds of visual requirements 4. Provides the interface to set aside (charge / sync port, headphone jack, volume keys, etc.) will not affect the user.