2 wireless microphone SPON

Microphone features: Frequency range: 20Hz-20kHz, to cover a wide and accurate sound. Signal-to-noise ratio (SNR): 68dB, to ensure pure and clear sound recording. Maximum input sound pressure level: 115dBSPL, to capture loud sounds without distortion. Sampling frequency and depth: 32kHz 16bit, for high-quality audio recording. Bluetooth version: 5.3, for stable and fast connection. Operating time: up to 30 hours of continuous use. Number of microphones: 2, for multiple use or switching when needed. Audio DSP chip: to improve sound and reduce noise. Additional specifications: Comfortable design: allows long use without feeling fatigue. Built-in charging base: for easy and quick charging of microphones. Wide compatibility: works with computers, smartphones, and other recording devices.