Product Features: Intuitive LED Screen: Displays frequency, battery level, and signal strength clearly and intuitively. Advanced Dual Antenna: Built-in dual antenna system resists WiFi and electromagnetic interference, offers anti-jamming properties, and extends transmission distance up to 30 meters. High-Resolution Audio: 24-bit / 48kpbs audio quality with switchable Mic/Line modes. Reliable Signal Reception: Ensures strong, stable, and fast signal reception. Compact & Portable: Small wireless transmitter system with an inbuilt lithium battery, offering plug-and-play functionality and easy operation. Microphone Compatibility: Supports dynamic microphones and condenser microphones with built-in power supply. Comprehensive Connectivity: Equipped with XLR female to 6.35mm male microphone adapter, compatible with audio mixers, recorders, speakers, PA systems, amplifiers, and more. Provides stable and reliable wireless transmission. Specifications: Material: ABS Number of Channels: 6 Transmission Distance: Approx. 30 meters Battery Life: Approximately 5 hours of stable usage Power Supply: Built-in USB charging Audio Delay: Approx. 5ms Sound Dynamic Range: 110dB Reference Frequency Range: 640-690MHz Sampling Rate: 24bit / 48kpbs audio Frequency Response Range: 20Hz-20kHz Antenna Impedance: 50Ω Signal-to-Noise Ratio: 110dB Battery: 3.7V 400mAh Li-ion battery Support Microphone Types: Dynamic microphone and condenser microphone with built-in power supply Item Size: 70 x 30 x 30mm / 2.76 x 1.18 x 1.18 inches Item Weight: 200g / 7.05oz Package Weight: 300g / 10.58oz Package Size: 16.5 x 13.5 x 5.5cm / 6.50 x 5.31 x 2.17 inches Packing List: 1 x Transmitter 1 x Receiver 2 x Transfer Plugs 2 x Cables 1 x User Manual (English) Please Note: The frequency range mentioned in the manual is for reference only. The actual frequency range will correspond to the specific product you receive. Two random types are available, with button colors sent at random. Actual products may vary slightly.