Advanced Wireless Technology: Experience crystal-clear audio with the Wireless Ear Monitoring System, designed for professional stage performances. This system ensures reliable transmission over long distances without interference. Rechargeable Convenience: Both the transmitter and receiver are equipped with rechargeable batteries, offering hours of continuous use and eliminating the need for frequent battery replacements. Versatile Audio Modes: Easily switch between stereo and mono audio modes to match the specific requirements of your performance or rehearsal environment. Portable and User-Friendly: The compact design makes it easy to transport, set up, and use, making it ideal for musicians, speakers, and performers . Color: Black Material: plastic B Specifications: One-to-Two Package Contents: 2 x Receiver 1 x Transmitter 3 x Audio cable 2 x USB cable 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.