1、Universal for mobile phone, camera. Lapel microphone dual mode flexible and easy to set and operate. 2、The omnidirectional mic, high sensitivity condenser mic. 3、Manual noise reduction, multistage narrowband, high and medium frequency selective filters, eliminate noise. 4、Ultra-long anti-interference connection line, wear-resistant and high tenacity environmental protection line. 5、Intelligent compatible with a variety of devices. 6、Bop sponges reduce unnecessary noise recording. 7、Built-in rechargeable lithium battery, suitable for a variety of charging methods. Condition: 100% Brand New Item Type: Lapel Microphone Material: Plastic + metal Brand: MAMEN Model: KM-D2 Pickup head type: electrostatic capacitor head Sensitivity: (-30db ±3dB) Directivity: omnidirectional Frequency response: 50hz-18khz Low-frequency attenuation is 60Hz 10dB/ octave Output connection: standard 3.5mm headphone plug output Wire length: 6 + 2 meters Battery: built-in 3.7V 100mAh lithium battery Full battery can last for 45 to 50 hours Charging interface: Micro USB interface 1 x Lapel Microphone 1 x 3.5mm to 6.3mm Adapter Head 1 x Storage Bag 1 x Manual