Item Type: Lavalier Microphone Material: Rubber Gross Weight: 33g / 1.2oz Model: MC490 Sensor: electret capacitor Directionality: omnidirectional Sensitivity: -34dB SNR: 60dB Frequency Range: 35Hz-18KHz Connector: Type C Line Length: Approx.1.5m / 59.1in Compatibility: Applicable for DJI Action OA2 OA3 camera 1、Compatibility: Applicable for DJI Action OA2 OA3 camera, plug and play, simplify complexity, recognize external devices normally, and use without worry.  2、Omnidirection: This lavalier microphone uses omnidirectional pickup microphone, with high reception sensitivity and high fidelity of voice recording.  3、Windproof: High density windproof sponge can effectively prevent exhalation and wheat spraying, isolate wind noise and background noise, and make sound recording more detailed.  4、Anti Interference: Premium shielded audio cable can block electromagnetic interference, the TPE cable is resistant to pulling, only for transmitting pure original sound.  5、Lightweight: Light collar clip design, weighing only 6g, clip in the collar will not fold and collapse, closer to the sound source for accurate pickup. 6、Applicable Scene: This microphone is suitable for multi scene recording: live webcast, vlog shooting, video interview, online courses, etc.