J1 Noise Reduction 2.4G Wireless Lavalier Microphone System 2 Mic + 1 Receiver - iP Interface Auto Connection: This wireless 2.4G clip-on microphone is designed for seamless auto-connection with your devices Noise Reduction: It features adaptive noise reduction technology that minimizes background noise,ensuring clear and professional audio quality during outdoor live streaming,interviews,and presentations Long Transmission Range: Enjoy a stable connection with a transmission range of up to 20 meters in open spaces Reverb and Playback Functions: Enhance your recordings with built-in reverb effects to add depth and richness to your voice. The microphone also supports playback and headphone monitoring,allowing you to hear your recordings in real-time and make necessary adjustments on the go. The pause mode provides additional control,making it easy to manage your recordings efficiently Simultaneous Charging and Recording: Supports charging while the receiver plugs into your phone. This feature ensures uninterrupted recording sessions,especially during long broadcasts or live events. You can focus on your content without worrying about battery drain Specifications: Material: ABS Input voltage: 5V Battery capacity: 60mAh Battery life: 3-4 hours Signal-to-noise ratio: 64DBM,adaptive noise reduction Transmission delay: 30MS Sensitivity: -42DB Frequency response range: 20-20KHZ Transmission distance: barrier-free 20 meters Transmission technology: 2.4G wireless technology Package included: 2 x Lavalier Microphone 1 x Receiver 1 x Charging Cable 1 x English User Manual