Ulanzi A21 Wireless Microphone Black and White Type C

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 100m wireless range, it delivers crystal-clear audio for vlogs, interviews, and live streams. With 6h runtime per transmitter and 30h total via the charging case, it's perfect for all-day mobile recording.

The Ulanzi A21 Wireless Microphone (Black and White Type C) brings professional audio quality to creators in a compact, lightweight form. Each 8g button-sized transmitter clips discreetly to clothing, straps, or lapels, making it virtually unnoticeable during recording.

With 32kHz/24-bit sampling and 360 omnidirectional sound capture, the A21 delivers clear and natural audio, while AI-powered noise reduction minimizes unwanted background sounds. The included furry windshields reduce wind noise for outdoor shoots. One-tap audio enhancement adds 3D-like reverb, making live streams and recordings more immersive.

Operating on the 2.4GHz frequency band, the system maintains a stable wireless connection up to 100m in open space, giving freedom for large events or outdoor recordings. Each transmitter lasts up to 6h per charge, and the included charging case provides two full recharges, totaling 30h of runtime. The kit also includes clips, magnets, carrying cords, and a USB-C charging cable, offering a complete plug-and-play solution for content creators.

Key Features

• Button-sized, ultra-lightweight wireless lavalier microphone (8g)
• 360 omnidirectional recording for full sound capture
• AI-powered noise reduction for clear voice recordings
• One-tap audio enhancement with 3D-like reverb
• Up to 100m wireless range in open space
• Up to 6h per transmitter; 30h total with charging case
• Includes furry windshields, clips, magnets, carrying cords, and USB-C charging cable
• Plug-and-play operation for USB-C devices

• 1 Receiver
• 1 Charging Case
• 2 Transmitters
• 2 Furry Windscreens
• 2 Carrying Cords
• 2 Clips
• 2 Magnets
• 1 Charging Cable
• 1 User Guide

• Microphone Type Wireless Lavalier
• Polar Pattern 360 Omnidirectional
• Sampling Frequency / Bit Depth 32kHz / 24-bit
• Signal-to-Noise Ratio >58 dB
• Wireless Frequency 2.4GHz
• Wireless Range Up to 100m (open area)
• Battery TX 3.7V 5A Li-ion, up to 6h runtime; Charging Case 3.7V 400mAh Li-ion, charges 2 transmitters twice
• Transmitter Dimensions 28 x 26 x 13 mm
• Charging Case Dimensions 93 x 38 x 32 mm
• Transmitter Weight 8g
• Charging Case Weight 49g
• Charging Time 1.52h
• Operating Time 6h per transmitter; 30h total with charging case