Bluetooth pairing is convenient and fast Instant conversation during meetings, barrier-free remote communication, integrated audio and video without switching channels High-quality capacitive microphone core records high-quality audio easily Adopts advanced voice processing technology to effectively reduce noise and offset distance, 1-, sensitive , even human voices can be recorded clearly Bluetooth version:5.0 Rated power:5 Input voltage: 5V Microphone type: audio integrated microphone Pointing characteristics: supercardioid pointing Signal-to-noise ratio:60dB Applicable objects: home, computer, conference-specific, live broadcast crowd Frequency response range: 60HZ-15HZ Color: black + gray Material: Aluminum Package Contents: 1 x Microphone 1 x data cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.