The frequency, battery indicator, and signal strength bar are clearly displayed on the LED screen. Built-in dual antenna provides resistance to WiFi and electromagnetic interference, offering anti-jamming performance and extended transmission distance of up to 30 meters. Supports 24-bit/48kHz high-resolution audio with selectable Mic/Line input modes. Delivers strong, stable, and fast signal reception. Compact wireless transmitter system with built-in lithium battery for plug-and-play operation. Includes XLR female to 6.35mm male microphone adapter, compatible with audio mixers, recorders, speakers, PA systems, and amplifiers. Ensures stable and reliable wireless audio transmission. Number of Channels: 6 Transmission Distance: Approximately 30 meters Operating Duration: Up to 6 hours (stable performance) Power Supply: Built-in rechargeable lithium battery (USB charging) Audio Delay: Approximately 5ms Dynamic Range: 110dB Sampling Rate: 24-bit/48kHz Frequency Response Range: 20Hz - 20kHz Antenna Impedance: 50 ohms Signal-to-Noise Ratio (SNR): 110dB Battery Specification: 3.7V, 400mAh Li-ion Supported Microphone Types: Dynamic microphones and condenser microphones with internal power Color: As shown in picture Material: ABS plastic Package Contents: 2 x Microphone Transmitters Note: The package includes only the items listed above. Other accessories or devices shown are not included. Due to lighting reflections and display differences, the actual color may vary slightly from the image. Measurement tolerance allowed is +/- 1-3cm.