SJCAM M1 Wireless Microphone System with 1 Receiver & 2 Microphones LCD Screen 50M Transmission Range Built-in Battery with Charging Case Replacement for Android Phones Computer Laptop Camera for Live Streaming Interview Vlog Features: 【Noise Reduction】Equipped with smart voice recognition, this microphone set effectively filters out background noises such as wind, vehicular sounds, and urban clamor. 【Long Transmission Distance】With an optimized transmission range of 50 meters in an open area, the lavalier microphone ensures stable reception regardless of your proximity. 【LCD Display Screen】Even under outdoor sunlight, the display provides real-time data on volume, battery life, and settings, maintaining clear visibility. 【Digital Monitoring in Real-Time】As you record, you can listen and make adjustments, enabling you to hear your own voice and any accompaniment from your phone. 【Strong Compatibility】The wireless microphone system, which comes with a type-c cable, a lightning to type-C cable, and other accessories, can be directly connected to your phone or tablet and is compatible with a variety of devices. 【Large Capacity Charging Box】This lapel microphone comes with a dual-purpose charging and storage case. Simply plug it in for charging and get up to 8 hours of usage from a single charge. With a total battery life of 24 hours, this microphone set can operate all day without the need for recharging. Specifications: --TX/RX Transmission Band: 2.4G Audio Frequency Response: 20Hz-20KHz Dynamic Range: 100dB SNR: 100dB Max Sound Pressure Level: 120dB Matching Method: Automatic/Manual Effective Working Distance: 20 meters(with obstacles); 50meters(open area) Microphone Pickup Mode: Omnidirectional Battery(TX): 380mAh lithium battery Battery(RX): 730mAh lithium battery Charging Connector: TYPE-C Endurance: About 8 hours Output Connector: 3.5mm TRS Dimension(TX,RX): 50mm * 44.5mm * 15mm Net Weight(TX,RX): About 30g --Charging Case Power Indicator of Storage Box: 25%-50%-75%-100% TYPE-C Connector: Support 5V/2A Battery: 2800mAh, 5V Standby Time: 24h Charging Connector: TYPE-C/5V,2A External Dimensions: 100 * 78 * 67mm Packing List: 1 * Receiver 2 * Transmitters 1 * Charging Box 1 * TRS to TRRS Cable 1 * TRS to TRS Cable 1 * Type-C to Type-C 1 * Lightning to Type-C 1 * TRS to Type-C cable 1 * USB-C Charging Cable 1 * Cleaning Cloth 1 * Sticker 2 * Microphones 2 * Windproof Cover 1 * Manual