Ulanzi A21 Wireless Microphone – USB-C AI Noise Cancel Mic

Ulanzi A21 Wireless Microphone captures clear voice with AI noise reduction. Record, charge, and play back seamlessly on USB-C phones.

The Ulanzi A21 Wireless Microphone is built for creators who need crisp, reliable audio without cables or complicated setup. Designed with a smart drawer-style case, USB-C connectivity, and AI noise reduction, this mini lapel mic makes video recording, streaming, and interviews effortless on modern iPhone and Android devices.

Key Features

• AI Noise Reduction – Filters background noise while keeping voice natural and clear.

• USB-C Direct Connection – Plug straight into iPhone/Android without adapters.

• Record & Charge Simultaneously – Receiver supports phone charging during use.

• Drawer Pop-Up Design – Quick access, easy storage, stress-free setup.

• 32kHz / 24-bit Audio Quality – Detailed, professional-grade sound capture.

• 360° Omnidirectional Pickup – Captures lifelike audio from all directions.

• Mode Button Control – Switch between Noise Reduction, Original, Reverb, and Mute.

• Up to 36 Hours Battery (with case) – 6 hours per mic + two full recharges.

• 100m Wireless Range – Stable 2.4GHz transmission for outdoor and event shoots.

• Furry Windscreen Included – Minimizes wind noise during outdoor recording.

Product Description

This wireless lavalier system is engineered for simplicity and performance. The USB-C receiver allows seamless playback without unplugging, and you can power your phone while recording—ideal for long sessions, live streams, or interviews.

With highly sensitive omnidirectional pickup and AI processing, your voice stays front and center even in noisy streets, events, or crowded rooms. The compact transmitter clips on like a button, remaining discreet and ultralight for all-day comfort.

Problems This Product Solves

• Background noise ruining outdoor recordings

• Battery drain during long video sessions

• Complicated mic setup with adapters

• Weak audio from built-in phone microphones

• Signal drops during distant shooting

Why Choose This ULANZI A21 Wireless Microphone?

The ULANZI A21 Wireless Microphone combines pro-level audio clarity, modern USB-C convenience, and intelligent noise control in an ultra-portable system made for creators on the move.

Brand Reliability

ULANZI is known for practical, creator-focused gear that balances innovation with everyday usability.

Budget vs Performance

You get advanced AI noise cancellation, long battery life, and 100m wireless stability at a price far below traditional wireless audio systems.

Who Is This Product For?

• YouTubers and vloggers

• Facebook & TikTok live streamers

• Interviewers and presenters

• Outdoor content creators

• Online educators and reviewers

Specifications

Final Thoughts

If you want clear, uninterrupted audio for mobile video creation, this wireless mic offers convenience, clarity, and endurance in one compact kit. It removes the common frustrations of mobile recording and lets you focus entirely on your content.

FAQ

Q1: Can I charge my phone while recording?
Yes, the receiver includes an extended USB-C port for simultaneous charging.

Q2: Does it work without unplugging for playback?
Yes, you can play videos through your phone speaker without removing the receiver.

Q3: How far does the wireless connection work?
Up to 100 meters with stable 2.4GHz transmission.

Q4: Is it good for outdoor use?
Yes, AI noise reduction and the furry windscreen reduce environmental noise.

Q5: How long does the battery last?
Each mic lasts up to 6 hours, and the case extends total use to around 36 hours.

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