Applicable to multiple occasions, let the music be in sync with you; Can be used for stage singing, stage performance, live broadcast, monitoring conference, etc. Compatible with many audio devices for stable and high-quality transmission; Intelligent audio equipment: mixer, professional power amplifier, sound source box, mobile phone, active sound, etc. Low latency, accurate and high-quality return music; Let the headphones be in sync with the scene in real time, sing as you listen, and sing more comfortably and smoothly High-definition fidelity noise reduction transmission technology; The data is processed by chip noise reduction to ensure high-definition fidelity of sound quality and restore the sound 40-meter transmission distance; 40-meter stable transmission, making the stage wider and freer Long-lasting battery life; High-energy battery life of 10 hours, enjoy music Portable collar clip; Collar clip design, clip at your own place, convenient and practical, more comfortable Easy charging; Equipped with 1 to 2 USB-C charging cables, sending and receiving can be charged at the same time Colour:Black Material:plastic Package Contents: 2 x Wireless ear monitoring transmission system set 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.