BOYA BY-GM10 Lavalier Microphone Pro Omni-directional Audio with 8m Signal Wire for GoPro HD Hero4 3+ 3

Features: Specially designed for GoPro Hero 4, Hero 3+, Hero 3.Omni-directional condenser microphone.Low handling noise, and high sensitivity.High-quality Clip-on microphone is ideal for video use.Superb sound for audio and video recording.Fine workmanship, compact and ultra-portable design. Specifications:Model: BY-GM10Transducer: Electret CondenserPolor Pattern: Omni-directionalFrequency Range: 35 Hz?20 KhzSignal/Noise: 80dB SPLSensitivity: -24dB±3dB/ 0dB=1V/Pa, 1kHzConnector: Mini USB plugSuitable for: Perfect for GoPro HD Hero 4/3+/3Cable Length: 2.8m / 9.2ftPackage Size: 9.5 * 3 * 12.8cm / 3.7 * 1.2 * 5in(L * W * H)Package Weight: 70g / 2.5oz (battery not included) Package includes:1 x BY-GM10 Microphone1 x Lapel Clip1 x Foam Windscreen1 x English user instruction