UHF 500MHz Frequency Hopping Technology: Our in-ear monitor system uses advanced UHF 500MHz frequency hopping technology to provide a more stable, interference-resistant connection than 2.4GHz systems. One-click mono/stereo switching ensures flexible, precise, and immersive audio control | Automatic Pairing: This wireless in-ear monitoring system pairs automatically, eliminating the need to select a channel. Long press the power buttons to turn on the transmitter and receiver, and they will automatically pair up, with the RF indicator glowing blue, ensuring youre ready to perform without any complicated setup | Extended Battery Life: Our IEM system features a 400mAh rechargeable battery with up to 5 hours of use and an intuitive battery indicator: green (100%-75%), yellow (74%-50%), orange (49%-25%), and red (24%-1%). The compact clip-on design that maintains portability while ensuring your performance is flawless. Latency is less than 6 ms, 24-bit/48kHz sampling rate, 20Hz-20kHz frequency response range, and 109 dB signal-to-noise ratio | One-to-Many Connectivity: Our beltpack transmitter connect to multiple receivers over 10 selectable frequencies, ensuring seamless team coordination and clear, reliable audio up to 130 ft away, so signals remain clear and reliable whether youre rehearsing a small rehearsal or playing a large show. The system also features a 3.5mm stereo headphone output, allowing sound engineers to monitor accurately in real time, even when the console output is limited | Complete Accessories: This set includes 1* wireless transmitter, 4* wireless receivers, 1* dual USB Type-C cable and 1* 3-in-1 USB Type-C cable for simultaneous charging, and 1* 3.5mm audio cable for connecting to mixers, sound cards, speakers, and guitar amps. Also comes with 1* 6.35mm TS and 1* TRS adapters for mono and stereo connections, ensuring compatibility with professional audio equipment. 4* 3.5mm splitter cables enable two-person monitoring. A user manual is included for easy setup