EDUTIGE Lavalier Microphone ETM-006 Lavalier microphone for GoPro Hero2/3, PCs, laptops, digital voice recorders, camcorders, DSLR cameras High-sensitivity omnidirectional electret condenser microphone With 4.3 ft cable, 3.5mm jack plug (gold-plated), 3-pin connector plug-in power supply, no battery required Ideal for voice recordings and shooting videos 1microphone 1 lapel-clip for hands-free recording 1 foam windscreen to reduce ambient noises 1 premium carrying pouch<br> Directivity: Omni-directional(360) Sensitivity: -23dB (1kHz at 1Pa) Signal to Noise Ratio: 58dB+ Frequency Response: 50 ~ 18,000Hz Plug: 3.5mm 3-pole gold-plated Size: 28.0mm x 9.0mm (without cable) Cable Length: Approx. 1.3M(4.3ft) Weight: Approx. 26g Power supply: Plug-in power, no batteries required Operating Temperature: -5C ~ 45C