【Compact Wireless Design】The mini wireless lavalier microphone offers a portable and convenient solution for on-the-go audio recording. 【Dual Microphone System】Features a one-to-two configuration, allowing for simultaneous use of two microphones from a single receiver. 【Charging Case Included】Comes with a charging case for extended use and easy storage, perfect for long recording sessions or travel. 【Intelligent Noise Reduction】Equipped with smart noise cancellation technology to ensure clear audio capture in various environments. 【360 Degree Omnidirectional Pickup】The microphone offers full 360-degree sound capture, ideal for interviews, live streaming, and vlogging. 【Low Latency Performance】With an audio delay of less than 20ms, it provides real-time sound transmission for seamless live performances. 【Long-Range Transmission】Boasts a wireless transmission distance of up to 20 meters, offering flexibility in recording setups. Specifications: Main Material: PC Charging Current: 50mA (microphone), 200mA (charging case) Working Current: 14.5mA Power Consumption: Less than 16mA Rated Voltage: 3.7V Wireless Transmission: 2.4GHz Audio Delay: Less than 20ms Sensitivity: -38dB Frequency Response: 100Hz-10KHz Signal to Noise Ratio: 60dB Maximum Sound Pressure Level: 115dB SPL Sampling Rate: 32KHz, 16-bit Input Voltage: DC 4.8-5.2V Microphone Battery Capacity: 60mAh Working Time: 3-4 hours Charging Case Battery Capacity: 350mAh Adapter: 5V/1A Product Dimensions: 54x53.7x18.5mm (including clip) Net Weight: 40.8g