Generally, there are two types of smartphone microphones: i. Lapel microphones and; ii. Shotguns Lapel mics are best for indoor and or controlled recording. If you are doing an interview or you are speaking in the video and want clear sound, Lapels are your best shot. Lapels also have two main categories: a. Single-head Lapel. Best for solo recordings- one-person recording while; b. Dual-head Lapels are best for interviews, where you have a guest on your channel or recording Shotgun smartphone microphones are best for outdoor recording. You have seen those mics on-top of cameras? Yes, similar to those. They help focus the voice or audio of what/who you are recording in a busy environment. That’s why they come with the fluffy feathery part.