Product Overview: This is a UHF wireless in-ear monitoring system designed for professional stage performances and home theater use. It features digital signal transmission technology for low latency and clear sound quality. Frequency Range: 560-590MHz, varies by version. High Performance: Ultra-low noise with a delay rate of only 4.5ms, ensuring synchronized audio playback. Compact and Portable: Designed for easy transport and setup, ideal for artists and audio professionals. Applications: Suitable for small concerts, multi-person stage performances, and home theater audio enhancement. Please note that due to different production batches, there may be variations in product appearance, color, and printed text, which do not affect functionality. Specification: Color: Black Material: ABS Package Contents: 1 * UHF Stereo Wireless Monitor System Kit Only the above items are included; other products are not included. Note: Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3cm.