Ulanzi A21 Wireless Microphone, Black/White, USB-C Ulanzi

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The Ulanzi A21 Wireless Microphone (Black and White – Type C) is a button-sized, ultra-light wireless lavalier mic for devices with USB-C ports. Featuring 360° omnidirectional recording, AI noise reduction, and up to 100 m wireless range, it delivers crystal-clear audio for vlogs, interviews, and live streams. With 6 h runtime per transmitter and 30 h total via the charging case, it’s perfect for all-day mobile recording.

Small mic, big freedom

A two-channel wireless lavalier microphone for two people with a USB-C receiver for devices with a USB-C port. Each transmitter weighs only 8 g.

2 transmitters, 8 g eachUSB-C receiverRange up to 100 mUp to 30 h with case360° omni pickup

Clean voice without cables

360° omnidirectional pickup, AI noise reduction and a range of up to 100 m. Two transmitters, a charging case and app-free pairing.

Interviews

Two speakers, no cables.

Vlogs

A transmitter weighs only 8 g.

Outdoor recording

Furry wind protection.

All day

Up to 30 h with the case.

Only 8 g

Each transmitter is the size of a button and weighs about 8 g. Attach it with a clip, a magnet or a lanyard, so it stays out of the way while you film.

AI noise reduction

AI noise reduction helps separate speech from ambient noise and keeps your voice clean even in busy places. The supplied furry windscreens help against wind outdoors.

360° omnidirectional pickup

Omnidirectional microphones capture your voice naturally from all sides, even while you move. Recording is 32 kHz / 24-bit with a frequency range of 20 Hz to 20 kHz.

Four modes at the press of a button

On the transmitter you switch between noise reduction, original sound, reverb and mute.

Ready for the whole day

Each transmitter lasts up to 6 hours on a single charge. The 400 mAh charging case recharges both transmitters twice, for a total of up to 30 hours of use.

Freedom to move

Digital 2.4 GHz transmission reaches up to 100 m in open space. That leaves room for interviews, presentations and shots on the move.

More information

• 1× receiver
• 1× charging case
• 2× transmitter
• 2× furry cover
• 2× lanyard
• 2× clip
• 2× magnet
• 1× charging cable
• 1× user manual

• Brand: Ulanzi
• Model: A21 (A055)
• Microphone type: wireless lavalier
• Polar pattern: 360° omnidirectional
• Sampling: 32 kHz / 24-bit
• Signal-to-noise ratio: >58 dB
• Wireless frequency: 2.4 GHz
• Range: up to 100 m (open space)
• Transmitter dimensions: 28 × 26 × 13 mm
• Charging case dimensions: 93 × 38 × 32 mm
• Transmitter weight: 8 g
• Charging case weight: 49 g
• Charging case battery: Li-ion 3.7 V / 400 mAh, charges 2 transmitters twice
• Charging time: 1.5–2 h
• Runtime: 6 h per transmitter; 30 h in total with the charging case