Feature 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 SystemMaterial: Iron ShellProduct Model: For ANLEON S2T Frequency Range: 526-535MhzFrequency Response: 20Hz-18KHzReceiver Battery: 2 x AA 1.5V (Not Included)Use Distance: 50m/164ft Indoors, More Than 100m/328ft OutdoorsVoltage: 100-240v Package List1 x Transmitter1 x Receiver 1 x Earphone4 x Eartips1 x Antenna 1 x Power Adapter 1 x Instruction Manual