Function: 1 Headset, comfortable fit, fidelity and pitch picking angle can be freely adjusted. 2. The microphone is a heart-shaped directional electrode condenser microphone, which can effectively eliminate noise interference, improve voice gain. 3 Widely used in wireless transmitters which are mainly attached to the waist. 4 Very suitable for sports, performance, phone exchange, speaker, phone and other occasions. 5 Made of high quality ABS and metal material, sturdy and durable, long service life. Specifications: Condition: 100% Brand New Item Type: Head with Mini Microphone Material: ABS + Metal Color: As picture Quantity : 2PCS Plug: Mini XLR 3pin TA3F Sensitivity: -46±3dB Frequency Response: 40Hz-12.5mhz Signal to Noise Ratio: ≥70dB(A) Maximum Sound Pressure Level: 130dB Output Impedance: 1500 Ohms +/- 30% (+/- 30% 1 kHz) Weight: Approx. 77g Package List: 2xHead Mounted Mini Microphone