Just plug the receiver into your device, and the transmitter will AUTO-MATCHING at once, then you can start taking video or recording. Omnidirectional Pickup High Density Spray-proof Sponge and High-sensitivity Microphone enable 360-degree sound reception within the distance of 50ft. ( No obstacles in between) Wide Compatibility Work with IOS 9.0 system or above with Lightning Port like iPhone, iPhone Pro, iPad, iPad Mini Compact and Exquisite The total weight of the kit is 0.7oz. Convenient for you to carry. You can easily clip the wireless lavalier microphone on your collar or pocket to free your hands Intelligent Noise Reduction The high sensitivity mic reduces the interference of the surrounding environment so as to provide professional clean and clear audio Frequently Asked Questions Pause Recording Press Power button for 1 second, Green Light on microphone flashes Back to Recording Press Power again for 1 second, Green Light on microphone steady on Disconnected Mode If your phone is locked, the transmitter and the receiver may disconnect If this happens, please follow the steps 1.Unplug the receiver, turn off the microphone 2.Reconnect it to your phone and Turn on the microphone