The HookUpz adapter easily connects your iPhone 4/4S/5 to the included CloseUp Monocular. Now you can take pictures or video directly through the Monocular and easily text or e-mail friends. The adapter includes a rubber ring that conforms to the CloseUp Monocular. “Hook up” to your Monocular to view wildlife, your children’s sporting events and more. Be sure to capture everything life has to offer with the Carson HookUpz.