Features: -All-metal body design -UHF band transmission signal, matching frequency, frequency range between 520-580MHz.  -Receiver and transmitter are equipped with LCD display, the working status is clear at a glance.  -Separate antenna design to enhance the received signal and highlight the high-end appearance.  -Contains one 6.3mm output and two balanced outputs, suitable for connecting various external devices.  -The microphone power consumption is 130mA, and it can be used AA battery.  -Wireless use distance: about 100 meters (unobstructed).  -Audio and data are transmitted by 32-bit encryption and independent ID code, which effectively prevent crosstalk and interference.  -The transceiver adopts 8bit encrypted infrared transmission synchronization method.  -The receiver can observe the battery working status of the transmitter at a glance.  -Using high-fidelity dynamic microphone microphone head, make your voice more clear and true.     Product Features: Carrier frequency band: UHF adjustable (520-580MHz).  Digital audio transmission technology.  Unique digital ID code pilot technology, ID code 32bit, completely solve the phenomenon of cross-frequency crosstalk.  Ultra-low audio latency.  Audio sampling mode:48KHz.  Frequency range:50Hz-18KHz.  Receive automatic scan.  Open environment theoretical transmission distance:80-100 meters.     Handheld microphone specifications: Microphone type:dynamic coil;  Pickup:Heart-shaped;  Frequency range:520-580MHz;  RF bandwidth:60MHz;  Frequency:2 * 16;  Transmission power:10mW;  Frequency response:50Hz-18KHz;  Dynamic range:96dB;  Harmonic radiation: Distortion:<0.1%;  Power supply mode:AA battery;     Receiver specifications: Frequency range:520-580MHz;  RF bandwidth:60MHz;  Frequency:2 * 16;  Signal to noise ratio:96dB;  Receiving sensitivity:-95dBm;     Package Included: 1 * Receiver;  2 * Microphone;  2 * Connector Cable;  1 * Manual