One Click Noise Cancellation - Probox Lavalier microphone features a cutting-edge DSP noise cancellation chip, which provides effective environmental noise cancellation, and makes your audio sound clear without unwanted noise. All-In-One Storage & Lightweight - All-in-one design makes it portable and easy to carry around and weighs only 0.8oz/23g. 20H Long Battery Life - Providing 6 hours of working time from a single charge and up to 20 hours with case. Each TX and RX has a USB-C port for direct charging while working at the same time, perfect for outside Interview Video Podcast Vlog, and never need to worry about the battery life. 650ft Long Rang Wireless Transmission Range - Probox wireless microphone supports up to 650ft stable and reliable and high fidelity audio receiving working distance in open space, making it easy to handle complex environments. Wide Compatibility - Probox wireless lavalier mic works with all kinds of devices with included cables. Use 3.5mm-TRS-