
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 12 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. The Ulanzi A21 Wireless Microphone supports plug-and-play connectivity with iOS (Lightning) and Android (Type-C) devices, eliminating complex setups. Lightweight and portable, it is perfect for mobile creators. The long battery life and compact charging case make the Ulanzi A21 Wireless Mic reliable for extended recording sessions. Whether you’re a vlogger, streamer, journalist, or podcaster, the Ulanzi A21 Wireless Lavalier Microphone delivers professional audio performance in a simple, easy-to-use design. 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