This is a mobile telephoto lens set for Samsung Galaxy Note II N7100. It is simple to use. * The set consists of a F2.0, 90-degree, 12X telephoto lens assembly, a hard shell cradle for mobile phone, and a tripod. The lens assembly is made of high quality optical galss and engineering aluminum. * Using this product, you can take beautiful telescopic photo and video using your smart phone * A detailed user instruction manual is provided * There are also models for Samsung Galaxy S3 and S4 handsets. Please visit our store to purchase them.