HUAIN Dual-Engine Wireless Gooseneck Conference Microphone HY-U3300C HY-U3300D

- Uses DSP/DDOV digital WiFi multi-channel + UHF six-channel processing and transmission technology, compliant with GB4943.1-2022 safety standards for audio-video, information technology, and communication technology equipment; 

- Equipped with a 2.44" high-brightness LCD screen that displays system signal, channel, ID address, battery level, WiFi channel, and speaking time;  

- Features speaking timing and timed speaking functions, supports dynamic display of speaking time, and allows setting of countdown time for speaking;  

- High-sensitivity pickup design with built-in automatic gain control (AGC) function, effective pickup distance up to 50-60cm;  

- Microphone rod adopts a spiral detachable design for easy transportation, storage, installation, and maintenance during breaks;  

- Microphone rod joint and all screws are made of pure copper to restore sound quality and ensure stable quality;  

- Uses high-quality sponge cover with good elasticity, breathability, and anti-loosening features, which is not easy to fall off or deform during use;  

- Offers 20 selectable WiFi channels, supports 20 systems operating simultaneously to easily avoid various interferences;  

- Uses 48KHz audio sampling frequency with a frequency response range of 20Hz-20KHz;  

10. Supports automatic tracking and picture switching when used with HD cameras, including picture freeze function;  

- Supports FIFO, quantity limit, chairman exclusive, and timed speaking modes, can simultaneously activate 6 units, with speaking number adjustable to 1/2/3/4/5/6 units;  

- Built-in 3000mAh rechargeable battery with dynamic power display and low battery warning, supports 12 hours of use;