[High-Fidelity Sound] Experience crystal-clear audio with our 2.4GHz wireless in-ear monitor system, featuring a low-noise design (SNR Greater than 100dB) and ultra-low latency (less than equal 4.5ms). [Extended Wireless Range] Enjoy the freedom to move up to 164 feet with our J02S IEM system, offering a robust wireless transmission range ideal for live performances, church services, recording sessions, and content creation. [Long Battery Life] Equipped with a Marathon battery, our mini wireless monitoring system boasts a 10-hour battery life with a quick 3-hour recharge capability. [Designed for the Stage] Adjust volumes precisely with our tactile, blind-operation knob without taking your eyes off your performance. This design lets you focus on your craft and the audience, not your equipment, enhancing your stage presence and interaction. [One TX to Multiple RX] Our transmitter can simultaneously send signals to multiple receivers (up to 6 pairs), meeting the needs for synchronized monitoring across the band. Color:Black Material:ABS Package Contents: 1 * stage monitor small in-ear monitor set(without headphones)