COMPACT If default camera of your smartphone do not support the mic, you need to download "open camera" app and select external mic in app settings
PLUG&PLAY No batteries or drivers needed to work with i-Phone, smartphone, tablet. Tightly plug the jack, start recording your voice, unplug to listen
Note: If your phone default camera do not support the mic, you’ll have to download “open camera” app from play store or app store Go to open camera’s settings >> video settings >> audio source >> select external mic
3.5 MM TRRS COMPATIBLE JACK ­ Simply plug the microphone into your i-Phone, Android or Windows smartphone and clip on to your shirt. Noise may happen when plugging mic into camera in auto volume mode, just decrease volume and it will eliminate noise. Please download OPEN CAMERA or PROMOVIE when recording video on ANDROID