BOYA BY-M1DM Dual Omni-Directional Lavalier Mic

Certification: ce brand name: boya model number: boya by-m1dm style: dual omni-directional lavalier mic communication: wired use: interview, recording, singing, teaching, communication, broadcasting, interview collar mic place of origin: guangdong, china material: metal function: noise cancelling, light-weight, portable transducer: electret condenser polar pattern: omni-directional frequency range: 65hz ~ 18khz signal / noise: 74db spl output impedance: 1000 ohm or less connector: 3.5mm (1/8") 4-pole gold plug power requirement: lr44 (included) cable length: 4m(13ft) net weight: 68g(2.4 oz)