Features: Professional Handheld Interview Microphone for Smartphone: Designed for smartphone users to be provided with more professional interview equipment, enjoy smooth and natural sound. High-quality Sound Recording: Integrated with condenser and gold-plating capsule, ensure high-quality sound recording and professional interview of smartphone. Effective Sound Pickup: Specially tailored frequency response and high-reduction sound pickup, keep the recording stable and clear. Super Low Self-noise: Feature super low self-noise, and the recording is more smooth and more natural. Full Metal Construction : Effectively filter noise and external signals. Specifications: Brand: COMICA Model: HRM-S Acoustic Principle: Condenser Polar Pattern: Cardioid Output Impedance: 2.2k Typical Frequency Response: 60Hz~20kHz Maximum SPL: >100dB SPL (F=1kHz, THD