This KIMAFUN G102 2.4G Wireless Headset/Lapel Microphone comes with 2.4G Wireless Microphone Transmitters & Receivers.2 IN1 Wireless Headset/Lapel Microphone A headset microphone and a lapel microphone. It is perfect for meeting, class, speech, tour guiding, YouTube video/audio recording, outdoor interview audio recording, interviewThe microphone can be used for general Smartphone, PC, and tablet with a free Y Splitter or U shape adapter. Package includes a free 6.35mm adapter for power amplifier, audio mixer, and outdoor speaker. Tips: For iPhone 7 and newer – The lightning to 3.5mm adapter is included inside iPhone 7, 7+, 8, 8+, and X package (hidden near earbuds). For iPhone XR, XS, XS Max – need an original lighting to 3.5mm jack adapter from Apple.CAUTION Do not point the microphone directly at speakers to prevent howling. Use the microphone within narrow spaces, adjust the volume not too high For speakers and other PA devices, please use the “MIC” socket not “AUX” socket.The mic is not suitable for devices with less than 15W power. When the microphone can’t be used for your laptop to record, you can download the Adobe Audition. Fully charge the transmitter and receiver before use.Turn off the transmitter and receiver when the microphone isn’t using.There is U sharp "adapter" in our microphone before , which caused buyers to return the product due to compatibility issues. Therefore, we added a "switching cable" to solve the compatibility problem. Although we indicated in the picture that both of the two accessories can be used in the device,so there is just one Y spilter in the package KIMAFUN KM-G102 2.4G Wireless Microphone System ------ Wireless headset and Lavalier Microphone High Tech: With 2.4 GHz wireless transmission technology ----- Low Radiation; Stable and Clear. High sensitivity, Reduces latency; Anti-howling ; Anti-interference ; Constant frequency ; Clearer sound quality ；Transmission range to 100ft（30M)2 in 1 Using : Wireless Lavalier wireless microphone and headset wireless microphone ----- Choose the headset mic or lavalier mic according to your needsPlug and Play: Auto match, not need to set ----- Just urn on both of transmitter and receiver at the same time, they will match automatically.Durable: Metal microphone head, acid and wear resistant ----- Selection of high-quality materials,easy to ware.Condenser Microphone: Φ 9.7mm*5.0mm and unidirectional ----- Built-in high sensitivity condenser microphone ability to clearly extract your voiceShielded Cable: Low interference, high quality ----- Enhances signal stability and Anti-interferencePower Supply : Built-in lithium battery, rechargeable and reusable ----- can be fully charged within 3-4 hours and be used for 6-8 hoursCompatible with Most Device : 3.5mm to 6.35mm adapter can adapt to most device ----- suitable for meeting, class, speech, tour guiding, YouTube video/audio recording, outdoor interview, vlogger, live streams of social media platforms High Sensitivity Condenser Microphone Built-in High sensitivity condenser microphone Ability to clearly extract your voice. The mic head is made of copper, features acid and wear resistant. Better for sound transmission, reduced the loss of tone. Long Time Battery Capacity Transmitter and receiver can be fully charged within 3-4 hours and be used for 6-8 hours, USB cord has two charge port which can be used for charging the transmitter and receiver at the same time. Multiple Compatibility Suitable for: PA System, Amplifier, Mixer, Audio Receiver ( power >15W ) Android Phones and iPhones,not for all phones Desktop Computers Tip: The microphone is not suitable for speakers with less than 15W power and bluetooth speaker. Please Read the Instruction Manual Carefully Before Use So That the Microphone Can Work Well With Your Device !!!! Indicator lights flash !!!! Match failed. Please turn off the transmitter & receiver, then turn on them simultaneously. The indicator light changes from flashing to blue light after a successful match, you can use it. !!!! No sound !!!! 1. Match failed. Please check the indicator light, the transmitter & receiver need to rematch if it keeps flashing. 2. The battery may be running out of power. Please fully charge before using. 3. For smartphone and computer, please use the Y splitter and headphones to monitor real-time audio. Or you can unplug the microphone from your phone and press “play” to listen to your recording. 4. For speakers and other PA devices, please use the “MIC” socket not “AUX” socket and not suitable for device power is less than 15W !!!! Faint voice !!!! 1. Wrong way to wear. Make sure there is nothing to cover the mic condenser. Keep the mic away from the sound source about 8-10inchs 2. Check the volume setting. You can increase the volume of the transmitter and device. 3. The device power is too low (below 100W), such as the Bluetooth speaker with the AUX input. !!!! Noise !!!! 1.Please check if there is a strong magnetic field or sound waves or wireless interference. 2.The mic didn't wear the windscreen foam. Plz use the supplied windscreen foams, which can effectively minimize wind noise and vocal plosives. !!!! Howling !!!! 1. Please check the position of the speaker. Do not point the microphone directly at the speaker. 2.Try turning off the reverb and turning down the volume. !!!! Intermittent sound !!!! 1. The battery may be running out of power. Please fully charge before using. 2. Please check if there is strong Wi-Fi signal interference around.