The frequency, battery indicator, and signal strength bar are clearly and intuitively displayed on the LED screen. Built-in dual antenna resists WiFi and electromagnetic interference, providing anti-jamming performance and extended transmission distance up to 30 meters. 24-bit/48kbps high-resolution audio with switchable Mic/Line input modes. Strong, stable, and fast signal reception. Compact wireless transmitter system with built-in lithium battery, plug-and-play design for easy operation. Equipped with an XLR female to 6.35mm male microphone adapter, compatible with audio mixers, recorders, speakers, PA systems, and amplifiers. Delivers stable and reliable wireless transmission. Number of Channels: 6 Transmission Distance: Up to 30 meters Operating Time: Up to 6 hours Power Supply: Built-in rechargeable battery, USB charging Latency: Approximately 5ms Dynamic Range: 110dB Sampling Rate: 24-bit / 48kHz Frequency Response Range: 20Hz - 20kHz Antenna Impedance: 50 Signal-to-Noise Ratio (SNR): 110dB Battery: 3.7V 400mAh Li-ion Supported Microphone Types: Dynamic microphones and condenser microphones with internal power supply Color: As shown in picture Material: ABS Package Contents: 2 x Microphone Transmitters Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement error allowed is +/- 1-3cm.