
Key Features Model: A21 Microphone Polar Pattern: Omni-directional 70dB Signal-to-Noise Ratio Battery Life: Up to 6-8 Hours Sampling Rate: 32kHz/24bit Specification Basic Information Sound Level Sound Field: Mono Noise/Signal >70dB Main Specs Frequency Range 20Hz-20kHz Weight 6g Polar pattern Omnidirectional Battery Capacity: 400mAh Battery Life: Approx. 6-8 hours Others Sampling Rate: 32kHz / 24bit Latency <25ms Warranty Warranty 6 Months Warranty. (To make a warranty claim, you must keep the warranty sticker attached to the box.) Description Ulanzi A21 Wireless Microphone The Ulanzi A21 Wireless Microphone is a high-performance Ulanzi Wireless Mic designed for creators who need professional audio in a portable form. Known as the Ulanzi A21 Button Wireless Microphone, it features an ultra-compact design that clips discreetly onto clothing, making it ideal for interviews, podcasts, vlogging, and live streaming. With advanced noise reduction technology, this Ulanzi Lavalier Microphone ensures crystal-clear sound quality even in busy environments. Key Features Ultra-compact design: Button-style Ulanzi Wireless Mic clips discreetly onto clothing Plug-and-play connectivity: Works with iOS (Lightning) and Android (Type-C) devices Crystal-clear audio: Professional sound quality with noise reduction technology Portable and lightweight: Perfect for mobile creators and on-the-go recording Long battery life: Extended use with compact charging case Versatile use: Ideal Ulanzi Lavalier Microphone for vloggers, streamers, journalists, and podcasters