1、Premium Sound: Transmitter RF circuit and sound circuit are redesigned, increase the chip, vocals singing dental reduction, better results. 2、Anti Interference: 36 optional frequency points, each band can accommodate up to 3 compatible systems to use at the same time, without interfering with each other. 3、With 3.5mm Port: The transmitter adds a 3.5mm input port, which can be connected to a live sound card. Can be used as a live streaming ear monitor system. 4、LCD Screen: Professional wireless ear monitor system, receiver with LCD screen, display frequency, channel and battery level. Working status at a glance. 5、Stable Stereo: Stereo transmitter and receiver, you can hear the fullest and most accurate monitoring sound. 25MHz bandwidth, more stable transmission. Item Type: Wireless Ear Monitor System Material: Iron Shell Product Model: For ANLEON S2T Frequency Range: 526-535Mhz Frequency Response: 20Hz-18KHz Receiver Battery: 2 x AA 1.5V (Not Included) Use Distance: 50m/164ft Indoors, More Than 100m/328ft Outdoors 1 x Transmitter 1 x Receiver 1 x Earphone 4 x Eartips 1 x Antenna 1 x Power Adapter 1 x Instruction Manual