Product Overview: This is a state-of-the-art UHF wireless in-ear monitoring system designed for both professional stage performances and home theater applications. It features a robust digital signal mission technology ensuring low latency and clear sound quality. Frequency Range: 560-590MHz, tailored to different versions. High Performance: Ultra-low noise with a delay rate of only 4.5ms, ensuring synchronous audio playback. Compact and Portable: Designed for easy port and setup, perfect for artists and audio professionals . Applications: Ideal for small concerts, multi-person stage performances, and enhancing your home theater audio experience. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Specification: B Color: Black Material: ABS Package Contents: 1 x UHF Stereo Wireless Monitor System Kit 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.