Advanced 2.4GHz Wireless Technology: This wireless lavalier microphone operates on a 2.4GHz frequency band, ensuring a stable and reliable connection. With a transmission distance of up to 20 meters without obstacles Smart Noise Reduction: Equipped with intelligent noise reduction technology, this microphone effectively filters out background noise, delivering clear and professional audio Plug and Play Convenience: Designed for ease of use, this wireless microphone requires no complex setup. Its user-friendly design makes it ideal for beginners and professionals alike Long Battery Life: Featuring built-in 60mAh battery, this microphone offers 5-7 hours of continuous use on a single charge Wide Compatibility: It is suitable for a wide range of applications, including vlogging, podcasting, teaching, and more. Its compact and lightweight design ensures it can be easily clipped onto your clothing for hands-free use Specifications: Frequency: 2.4GHz Frequency response: 20Hz-20KHz Input voltage: DC4.8-5.4V Battery capacity: 60mAh Transmission distance: 20m barrier-free Full charge time: about 1.5 hours Working time: about 5-7 hours after full charge