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 up to 30 meters. Supports 24-bit/48kHz high-resolution audio with switchable Mic/Line input modes. Delivers strong, stable, and fast signal reception. Compact wireless transmitter system with built-in lithium battery, enabling plug-and-play operation for easy use. Includes an XLR female to 6.35mm male microphone adapter, compatible with audio mixers, recorders, speakers, PA systems, and amplifiers. Provides reliable and stable wireless audio transmission. Number of Channels: 6 Transmission Distance: Up to 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 supply Color: As shown in image Material: ABS plastic Package Contents: 2 x Microphone Transmitters Note: Other items not included. Slight color variations may occur due to lighting and display differences. Measurement tolerance: +/- 1-3 cm.