Original Boya By-M1 Recording Microphone

Transducer type: Electret Condenser Polar Pattern: Omni-directional Frequency Range: 65Hz ~ 18KHz Signal / Noise: 74dB SPL Sensitivity: -30dB +/-3dB / 0dB=1V/Pa, 1kHz Output Impedance: 1000 Ohm or less Output Connection: 3.5mm (1/8¡±) 4-pole gold plug Battery Type: LR44 (Included) Microphone: 0.7×0.3×0.3 inch (18.00x 8.30 x 8.30mm) Audio Cable: 20ft (6m)