1. UHF signal transmission, with strong penetration and a stable signal range of 80 meters. It can transmit over a wider range in open environments. 2. 60 pre-set frequency points are available for selection, allowing for quick switching to avoid frequency crosstalk. 3. One transmitter can be paired with multiple receivers simultaneously. 4. Supports Bluetooth 5.0 mobile phone connection for music playback. 5. Switchable stereomono mode to suit different needs 6. 2m external extension antenna, no restrictions 7. Compact and portable bodypack receiver. 8. The transmitter is compatible with live sound cards, mixers, wireless microphones, effects processors, headphones, digital amplifiers, and other devices. Technical Specifications Operating Frequency: 530-580MHz 640-690MHz Sampling Depth: 24-bit 44.1kHz Signal Latency: 7ms Number of Channels: 100 Modulation: GFSK Frequency Response: 20Hz-18kHz Total Harmonic Distortion: