Ulanzi A21 Wireless Microphone Black-Lightning

The Ulanzi A21 Wireless Microphone (Black-Lightning) is a compact, button-sized lavalier mic designed for iPhone and iPad devices. Featuring 360 omnidirectional recording, AI noise reduction, and up to 100m wireless range, it provides crystal-clear sound for vlogging, interviews, and live streaming. With 6h per transmitter and 30h total runtime via the charging case, it's perfect for all-day content creation.

The Ulanzi A21 Wireless Microphone (Lightning) combines portability, long-range wireless performance, and professional audio quality in a tiny, lightweight package. Weighing only 8g, the button-sized transmitters clip discreetly to clothing, straps, or lapels without interfering with recording.

Equipped with 32kHz/24-bit sampling and 360 omnidirectional sound capture, the A21 records voices and ambient sound with rich detail. AI-powered noise reduction eliminates unwanted background noise, while the included furry windshields protect against wind interference during outdoor shoots. With instant playback and 3D-like audio enhancement, creators can monitor and improve their recordings in real-time.

Operating on the 2.4GHz band, the system delivers a stable connection up to 100m in open spaces, making it suitable for interviews, outdoor events, or large venues. Each microphone runs up to 6h per charge, and the included charging case can recharge the transmitters twice, providing approximately 30h total runtime. With a full accessory kit including clips, magnets, carrying cords, and a charging cable, the Ulanzi A21 Lightning is a plug-and-play solution for professional content creators on the move.

Key Features

• Button-sized wireless lavalier microphone for Lightning devices
• 360 omnidirectional sound capture
• AI-powered noise reduction
• Instant playback and optional 3D-like audio enhancement
• Up to 100m wireless range (open space)
• Up to 6h operation per transmitter; 30h total with charging case
• Lightweight and compact (8g per transmitter)
• Furry windshields included for outdoor recording
• Clips, magnets, and carrying cords included for versatile mounting
• Compatible with iPhone and iPad devices with Lightning ports

• 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 (6h); Charging Case 3.7V 400mAh (2 full charges)
• Transmitter Dimensions 28 x 26 x 13 mm
• Charging Case Dimensions 93 x 38 x 32 mm
• Transmitter Weight 8 g
• Charging Case Weight 49 g
• Charging Time 1.52h
• Operating Time 6h per transmitter; 30h total with case