1、Equipped with One Key Pairing System: Users will automatically pair the frequency in 3 seconds, without tedious debugging, plug and play. 2、Strong Penetrating Power: Keep good signal within 50M receiving range. Standard 3.5mm interface, it is convenient to connect cameras, mobile phones and other devices. 3、Omnidirectional Radio: The sound quality of the recording is clear, and the sound quality is good, which brings users the ultimate experience of recording. 4、External Lavalier Microphone: It can be easily and quickly fixed on the chest clothes, allowing users to use it more flexibly and conveniently. 5、Real Time Monitoring: With real time back monitoring interface, can be connected to the headphones to monitor the recording effect. 6、One for Two Wireless Microphones: Can interview two people at the same time, suitable for live news, film and television shooting, character interviews, program hosting, teaching training and other film and television recordings. Item Type: Wireless Microphone Color: As Pictures Shown Material: Plastic + ABS Weight: Approx.359g/12.7oz Microphone Sensitivity: -38±2dB Microphone Directivity: Capacitive Omnidirectional Frequency Range: 2.4-2.483GHz Sending and Receiving Distance: ≤50m Transmitting Power: -10~18db Receiving Sensitivity: -80db Frequency Response Range: 20Hz-20KHz Delay Time: 12.5ms Sampling Rate: 48KHzx16bit Signal to Noise Ratio: 90db Distortion: 0.5%@1KHZ Dynamic Range: 90db Battery: Transmitter: Built in Lithium Battery 500mAh, Receiver: Built in Lithium Battery 500mAh 2 x Transmitter 1 x Receiver 2 x Lavalier Microphone 1 x 3.5mm for TRS Cable 1 x 3.5mm TRRS Cable 1 x USB Cable 1 x Manual