Features: - The BY-M1 Clip-On Mic for Smartphones , DSLR, Camcorders, Audio recorders, PC etc. - Superb sound for presentations and video recording. Omni-directional condenser microphone. - High-quality condenser is ideal for video use. - Low handling noise. Includes lapel clip, foam windscreen, 3. 5mm to 6. 3mm adapter. Using the microphone: - For Smartphone Switch off the microphone. Slide the ON/OFF up to OFF/Smartphone. The power is shut down. - For DSLR, Camcorders, Audio recorders, PC Switch on the microphone. Slide the ON/OFF up to ON. Spec: - Transducer: Electret Condenser - Polar pattern: Omni-directional - Frequency Range: 65Hz ~ 18KHz. - Signal/Noise: 74dB SPL. - Sensitivity: -30dB +/-3dB / 0dB=1V/Pa, 1kHz. - Output Impedance: 1000 Ohm or less - Connector: 3. 5mm (1/8”) 4-pole gold plug. - Battery Type: LR44 (not included) - Cable length: Approx. 5. 7m / 18. 7ft - Package size: 15. 4 * 10 * 3. 5cm / 6 * 3. 9 * 1. 4in - Package weight: 108g / 3. 8oz Package Includes: - BY-M1 Microphone x1 - Lapel Clip x1 - Foam Windscreen x1 - Adapter x1 - User Manual (English) x1 - Cleaning Cloth x1