Teaching computer laptop cctv

For teaching, waist machine, V-band wireless microphone, U-band wireless microphone and computer microphone. 2. This microphone can be directly be plugged in the microphone interface of amplifier, laptop. 3. Recording is clear; small size, light weight, easy to carry. Specifications 1. Connection plug: 3.5 mm 2. Microphone size: F6.0 × 5.0 mm 3. Sensitivity: -52dB ± 2dB 4. Directionality: Omnidirectional 5. Impedance: = 680O 6. Working voltage: 2.0V 7. Frequency range: 100-16kHz 8. Signal to noise ratio: 60dB 9. Line length: about 120 cm / 47.24 in 10. Plug diameter: 3.5mm 100CM braided wire Product Contents 1 x microphone for mobile phone 1 x metal clip 1 x sponge windscreen

We deal in CCTV Security Cameras from china to usa and all Electronics Security System Watch your home , Office , Business , shops , Factory and Land on your cell phone , Laptop or Computer