1. High-fidelity sound effect and deep restoration of high-qualitysound. Digital processing technology is used to restore and reduce noise. High-quality broadcast-level sound quality makes the sound quality even better. 2. Built-in DSP active noise reduction technology DSP chip can directly optimize the signal from input to output. The delay of the live broadcast is small, and the noise and frequency effects are excellent 3.1 seconds automatic connection plug-and-play without cumbersome settings Automatic pairing plug-and-play 4. 360 high-definition surround pickup, high-sensitive capacitors, all-round cornerless radio, front, rear, left, and right radio, delicate and clear recording of every sound detail 5. The wireless one-to-two solution meets the need for two people to and record at the same time 6. OLED liquid crystal display for faster recording response Equipped with OLED display. Good brightness and high contrast. Make your recording clearer, and display the status of various modes at a glance in real time Applicable object: special for recording, special for interview, live crowd Wireless: no Pointing features: omnidirectional / non-directional Bluetooth version: 5.1 Signal-to-noise ratio: 70db Frequency range: 20Hz-20KHz Rated power: 5 Rated voltage: 5 type:B: for Colour:black Material:plastic Size:8.5 x 4.5 x 2.7cm Package Contents: 1 x microphone 1 x for receiver 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.