Advanced UHF Technology: Experience crystal-clear audio with the UHF Wireless In-Ear Monitor System, utilizing cutting-edge UHF technology for reliable and interference-free sound transmission. Compact and Rechargeable: Designed for mobility, this mini in-ear monitor system is rechargeable, making it perfect for on-the-go musicians and live performers. Versatile Use: Ideal for live broadcasts, studio sessions, and personal music listening, providing consistent audio monitoring in any setting. Colour:Black Material:plastic Package Contents: 1 x receiver 1 x transmitter 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.