JW-07 Wireless In-ear Monitor System adopts 48kHz/ 16-bit high-resolution audio, delivering exceptional sound quality and audio clarity, reproducing the sound faithfully. It adopts the low latency tech, delay time <5ms, ensuring the signal's in-time feedback, facilitating your performance. Moreover, it features 2.4GHz ISM frequency band and frequency hopping, avoiding the interference from other wireless devices efficiently, ensuring stable signal transmission. Interference-free. With wide operating range: 20m in open space and built-in lithium battery, over 8hrs' battery life once fully charged. Just enjoy music to your heart's content. It offers 12 Channel banks, divided into 4 groups, compatible with multiple venues. JW-07 wireless in-ear monitor system boasts high-resolution audio, low latency, stable signal transmission, wide range, multiple Channel banks, etc, an indispensable gadget for your performance.