The BOYA BY-WM5 wireless microphone is compact, high performance, lightweight, and compatible with DSLR cameras, camcorders, audio recorder etc.BOYA BY-WM5 wireless microphone is for use with DSLR cameras, camcorders. The 2.4 GHz GFSK system result in strong anti-interference, good security and stability. Two-way communication, but only sound from transmitter can be recorded. The operation range is 50m without obstacle, 360 degree all-round revolveis workable, the maximum distance can reach up to 80m. You can adjust the volume through VOL+ and VOL- volume control. The lapel clip makes it easy to carry. Features • Compact, high performance wireless mic • For recording audio up to 60m away (no obstacle) • Adjust the volume and low-cut filter • Two way communication system • RF Modulation: GFSK (Gauss Frequency Shift Keying) Specification • Frequency band: 2.4GHz (2405-2478MHz) • Frequency response: 35Hz-18KHz +/-3dB • Signal/Noise: 76dB or more • Distortion: 0.1% or less (32Ω,1KHz output) • RF output level: 5 mW • Earphone output level: 32Ω,65mW • Reception sensitivity: -85dB +/-3dB / 0dB=1V/Pa,1kHz • Power requirements: 3.0V DC (Two LR03/AAA size batteries)

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