More Highlights: 1.The lapel mics No batteries or drivers needed?powered by the device, don?t need to install any app, just plug it into your iPhone/iPad , recording everywhere anytime and unplug to play. share with others. Make your voice be heard. 2.Omnidirectional acoustic technology design, Microphone capture voice from all directions. 3.6M/19.6ft long,can be used in various scenarios. 4.Hands-free clip-on lapel lavalier microphone can clip on the clothes or fix it in a reasonable position. 5.Use double-core fully-shielded signal cable to have superior anti- inteference abilty. 6.Built-in noise reduction circuit design to effectively suppress environment noise. 7.Use high-profermance ECM pickups with high sensitivity and wide frequency response. Specification: Momomer: Black Electret Condenser Directivity: Omnidirectional Frequency Range: 30Hz - 20kHz Sensitivity: -32dB ±3dB( 0dB=1V/Pa at 1kHz) Equivalent noise level: 22dB A Mazimum sound pressure level: 130dB(THD?1.5% at 1 kHz) Output impedance 2.2K ? ±30% (at 1 kHz) Service voltage: DC1.5V-5V" Cable length: 6M/19.6ft Weight (Microphone): 20g Package: Lavalier microphone x 1 Lapel clip x 1 Foam windscreen x 2 Black pouch x 1 User manual x 1