Pay attention to that : 1 the built-in video app of Android smartphones can not recognize an external microphone, you have to download app from the google play store,such as tiktok, and set the app to recognize an external microphone; 2 There must be a 3.5mm microphone socket but not a headphone socket on your laptop when you want to use the microphone on your laptop. | NOISE CANCELLING FOR FLAWLESS RECORDINGS.Nicama LVM1 Lavalier Microphones record clean and clear voice. Used for Youtube Podcasting, GarageBand, or even to record your own rap! | Wired Lavalier microphone - 20ft Audio Cable, you can move around the room without unplugging the mic. Nicama LVM1 offer a carrying case, you can safely bring your mic wherever you go! | “OFF" mode is for smartphone , "ON" mode is for DSLR cameras, make sure to select the right mode to match your device. It's normal that a big noise might happen when plugging a microphone into a camera in auto volume mode, don't worry, just decrease the volume a bit and it will eliminate the noise | Clip-On Lapel mic for Android smartphones ,Samsung, Apple iPhone,laptop, DSLR Canon Canon EOS DSLR 5D Mark II III 6D 7D 7D II 77D 80D 70D 60D T6s T7i T6i T5i T4i T3i SL1 ,Nikon，Sony Mirrorless camera A7,A7S,A9, camcorders, ZOOM TASCAM audio recorders, PC etc. | 1* Nicama LVM1 Microphone, 1*carrying case, 1* Lapel Clip, 1* Foam windscreen,1*LR44 battery, 1* English User's Manual, 1* windscreen muff