K&F Microphone for DV / DSLR Camera – CM500

• Designed for recording high quality photography, interview, etc..
• Effective pick up distance reach 20m
• External + 10 dB, ± 2 dB sensitivity enhancement switch
• Sensitivity 37 dB ± 3 dB (0 dB = 1V/Pa at 1 kHz)
• Power Supply Battery CR2032 x 1 (not included)