ANLEON S2 Receiver for S2 Wireless Personal In-ear Monitor System 670-680MhzFeatures:6 selectable UHF channelsUp to 6 systems can be operated simultaneouslyDynamic expansion circuitry for high S/N ratioUse any number of Receivers on the same frequencyReceiver LCD displays frequency, channel and battery levelSpecification:Frequency: 670-680MHzType: In ear MonitorModel: S2RProduct Content:1X S2R Receiver 1X Earphone