Product Overview: This is a state-of-the-art UHF wireless in-ear monitoring system designed for both professional stage performances home theater applications. It features a robust digital signal transmission technology ensuring low latency 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 Portable: Designed for easy transport setup, perfect for artists audio professionals . Applications: Ideal for small concerts, multi-person stage performances, enhancing your home theater audio experience. Due to different batches, there may be differences in product appearance, color, printed text, which not affect the use. Specification: B Color: Black Material: ABS Package Contents: 1 UHF Stereo Wireless Monitor System Kit Only the above package content, other products are not included. Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and\/- 1-3cm.