[2.4GHz Wireless IEM System]The wireless in-ear monitor system adopts 2.4G wireless transmission, with lossless sound quality and low noise/low latency. One-touch switching of mono/stereo input provides smooth frequency response for any headphones. [Long Battery Life]Built-in rechargeable lithium battery, which can last up to 12 hours per use after a full charge, ensuring your performance is perfect! The delay is less than 12ms. [One-to-Many]One wireless transmitter can pair with multiple receivers to send signals. The wireless transmission distance is 90 feet, which is very suitable for small and medium-sized stage performances and daily band practice.2.4G wireless technology, low latency, no compression; [Support Stereo and Mono]Connection technology: wireless, wired; Headphone jack: 3.5mm jack; Transmitter: 3.5mm jack [Unique Lavalier Design]The clip design can be easily clipped to a backpack pocket or clothes. Small and cute, not easy to fall off, allowing you to fully immerse yourself in the world of music without worries. Colour:As Shown Material:Plastic Package Contents: 1x Transmitter 1x Audio cable 1x Receiver 1x 6.35 Conversion 1x Wired earphone 1x Charging 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.