Wireless Lavalier Noise Reduction Microphone USB-C Clip On Microphone with Charging Case Features: 1. Wireless lavalier microphone with two microphones, a receiver and a charging case. It is perfect for two-person use. Designed for interviews, conversations, live broadcasts, talk shows, vlogs, and more. You can also use the microphone alone. 2. The upgraded wireless clip-on microphone is equipped with a Type-C connector and a USB Type-A to Type-C charging cable, compatible with Android smartphones, laptops, PCs, etc. 3. Active scene recognition, newly upgraded high-sensitivity condenser microphone, and new noise reduction chip solution to record every detail of the sound with high fidelity. 4. The charging compartment has both storage and portability, which is convenient for you to broadcast live anytime and anywhere, which is convenient and fast. 5. Built-in professional chip intelligent active noise reduction chip, strong anti-interference ability, effective sound recognition, and can still record clearly in noisy environments. 6. The DSP chip can directly optimize the signal from input to output. The live broadcast delay is minimized, the audio effect is good, and it can be used directly with less noise. 7. Built-in 120mAh battery, which can work continuously for more than 10 hours, 780mAh battery is built in the charging compartment, which can extend battery life. 8. The high-sensitivity condenser microphone receives sound from 360° omnidirectional and no angle, the sound is delicate, and every sound detail is clearly recorded. 9. Built-in optimized antenna design, which can maintain a stable signal even at a long distance. 10. Automatic connection in one second, plug and play. parameter: 1. Input voltage: 5V 2. Microphone battery: 120mAh 3. Charging compartment battery: 780mAh 4. Signal-to-noise ratio: 64DBM three-level noise reduction 5. Transmission delay: 30MS 6. Sensitivity: -42DB 7. Frequency response range: 20-20KHZ 8. Transmission distance: 20m-30m without obstacles