Detachable Design: Easy to be screwed on to and removed off from the case、 and convenient to carry.Can be used for watching match、 concert、 travel、 animal observes fans、 newspaper-man shoots remotely、 port dispatcher of railway、 traffic administrativeCan be used as a mini monocularBlack cover case snaps on to your phone for normal protectionFlexible handle can be pulled out for easy adjustmentCompact、 portable & easy to use Minimum focus distanceMaterial: Aluminum Shell+Optical Glass ElementsMinimum focus distance: 3MMagnification: 8XCompatible Modle: Patented Telephone Lens for your  iphone/Samsung/Nok/Htc/ipad...