high quality Extended 36-Hour Battery Life: The wireless lavalier microphone transmitter is equipped with a 95mAh rechargeable battery and energy-efficient chip, delivering up to 9 hours of use on a single charge. With the included charging case, the mobile version provides an impressive 36-hour total battery lifeperfect for long shoots and extended recording sessions. Additionally, the receiver features a USB-C charging port to keep your device powered and your recording uninterruptedDual-mode Noise Cancellation: Engineered for clarity, this clip on microphone provides one-click noise cancellation and a dense windproof foam cover, effectively reducing wind and background interference. With high-resolution 48kHz/16bit audio, an 80dB signal-to-noise ratio, and a 120dB maximum sound pressure level, it delivers precise, clear audioeven in high-noise settings. Ideal for capturing professional-grade sound anywhereCompact and Lightweight: The BY-30 wireless microphone delivers high-quality recording in a compact design.Weighing only 10.5g, this mini microphone ensures exceptional comfort and portability, making it ideal for various recording scenariosUpgraded 328FT Wireless Transmission: This portable microphone uses advanced 2.4GHz wireless technology, providing reliable, cable-free audio transmission up to 328 feet. Featuring a 360rotatable clip, it easily attaches to clothing, allowing for convenient, hands-free recording in any setting. Perfect for capturing high-quality audio effortlesslyPlug and Play, Truly Wireless: This wireless microphone system features a direct plug-in receiver for a hassle-free, fully wireless experience. No adapters, Bluetooth, or apps requiredsimply plug the receiver (Type-C port) into your device, clip on the microphone, and start recording instantly. The USB-C version is compatible with Android phones, iPhone 15/16 series, and laptops, delivering clear, crisp sound across multiple devicesPlayback without Unplugging: With exclusive audio technology, this lapel microphone lets you enjoy seamless playback directly from your phones built-in speakerno need to unplug the receiver. Designed as a lavalier microphone, its perfect for content creators on platforms like YouTube, Facebook, TikTok, Instagram, live streaming, podcasts, vlogging, Zoom, online classes, interviews, and presentations