high quality LONG-LASTING BATTERY LIFE: Each wireless lavalier microphone has a built-in 65mAh rechargeable battery, which can record for up to 6 hours after being fully charged, and up to 12 hours when two microphones are used alternatelyMAGNETIC LAVALIER DESIGN: microphone's new magnetic lavalier design allows you to easily attach the microphone to clothing or other objects for flexible and convenient use in any environmentPLUG AND PLAY: clip on mic does not require APP installation, just plug the receiver into your device and turn on the microphone power, it will automatically pair and enjoy a convenient use experienceNOTE: A1 wireless lavalier microphone only supports Lightning port devices, not iPhone 15 and its latest modelsEXCELLENT NOISE REDUCTION EFFECT: The wireless lavalier microphone has a built-in upgraded active noise reduction chip, which can eliminate low-frequency noise and retain high-frequency vocals, providing a pure recording effect