3 In 1 Wireless Lavalier Microphone For iPhone Type-C USB-C 3.5mm Jack Smartphone SLR Camera PC 1. High-quality condenser microphone core, omnidirectional reception, delicate and vivid restoration of original sound 2. 20 meters effective wireless transmission distance, while using 2.4G two-way transmission, the signal is stable and continuous 3. Professional DSP noise reduction chip, Hi-Fi high-fidelity sound effects 4. Wireless connection, automatic pairing when powered on, simple operation 5. 3.5mm+Type-C+8 Pin three interfaces, support most devices such as mobile phonescomputerstabletscameras 6. Real-time ear return monitoring, support two-way live broadcast, the anchor can hear the voice of the microphone party in real time 7. The receiver comes with a charging interface, and the phone can be charged while recording without worrying about running out of power during recording Parameters: 1. Microphone: digital silicon mark 2. Input voltage: 5V 3. Microphone battery capacity: 65MAH (receiver 120MAH) 4. Charging time: about 50min 5. Battery life: about 6H 6. Signal-to-noise ratio: 64DBM adaptive noise reduction 7. Transmission delay: 30MS 8. Sensitivity: -42DB 9. Frequency response range: 20-20KHZ 10. Transmission distance: barrier-free 25 meters