Boya BYM1 by Shotgun Video Microphone by-M1 Ultimate 3.5mm Lapel Mic Clip-On Video Recording Omnidirectional Condenser for iPhone Android Smartphone Mac Tablet DSLR Camcorder, Black

Specification 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) Dimension: Microphone :18.00mmH x 8.30mmW x 8.30mm Audio Cable: 20.00ft (6.00m) Weight: Microphone : 2.50g;Power Module: 18.00g