The BOYA BY-M1DM is a Dual Lavalier Universal Microphone, with a single 1/8" stereo connector
It consists of two of the well-received omnidirectional lavalier microphones and 4m (13') length cable, it's prefect for interviews, presentations, podcasts, webcasts, or any situation where more than one subject needs to be recorded
Suitable for Smartphones, cameras, camcorders, audio recorders, tablets,and other audio/video recording devices
The omnidirectional polar pattern provides excellent off-axis response, even if a subject turns their head while speaking
Dual omnidirectional lavalier microphones can record two sound resource at the same time
4m(13') length cable allows you to use in various situation, rugged metal power pack
Specification:
Transducer: 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
Connector: 3.5mm (1/8ff) 4-pole gold plug
Power requirement: LR44 (included)
Cable length: 4m(13ft)