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. Dual-core 24G chip live broadcast 0 delay newly upgraded wireless transmission technology, not only reduces noise, but also brings stronger signal transmission and synchronization delay, no matter live broadcast with goods or talent show, stable and continuous Applicable objects: home use, special recording, live broadcast 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 Colour:black Material:plastic Size: 8.5 x 6.2 x 2.9cm Package Contents: 2 x microphone 1 x for receiver 1 x charging compartment 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.