XVIVE XVIVE U4 In-ear Monitor Wireless System (Receiver, Transmitter Set) XV-U4

Frequency band used: 2.4GHz ISM Worldwide Latency: Less than 5ms Number of channels that can be used simultaneously: 6 Maximum transmission distance: Approximately 27 m (*Actual transmission distance varies depending on the environment such as radio wave reflection, interference, absorption, etc.) Driving time: Approximately 5 hours Country of origin: China