Features:Mini USB Microphone professional design for help you get stoere music or vioce.Omnidirectional Microphone with anti-noise function.You can plug-in hero camera directly￡? no need 3.5mm adaptor.With metal clamp on the microphone￡? you can clip this product on your collar for better recording sound.Suit for GoPro Hero 3 3+ 4.Specifications:Type: MicrophoneCable length: 120cm / 47.2inDirectivity: OmnidirectionalOperation Voltage: DC1.5V - 10VCurrent Consumption: < 0.5ASignal to Noise Ratio: > 58dBPackage size: 16 * 10.2 * 2cm / 6.3 * 4.0 * 0.8inPackage weight: 34g /1.2ozPackage List:1 * Microphone"
