ULANZI A21 Dual Wireless Lavalier Microphone for iPhone Lightning, 100m Range, Charging Case

The ULANZI A21 is a professional dual wireless lavalier microphone system designed specifically for iPhone devices with a Lightning port. Featuring 2.4GHz digital transmission, it delivers crystal-clear audio up to 100 meters (330 feet) line-of-sight, making it ideal for vloggers, interviewers, live streamers, and content creators. The system includes two clip-on transmitters, one Lightning receiver, and a compact charging case that provides multiple full charges for extended recording sessions.

Advantages

With ultra-low latency (<25ms) and built-in noise reduction, the ULANZI A21 ensures professional-grade audio quality without delay or background interference. The omnidirectional polar pattern captures sound evenly from all directions, while the included wind muffs minimize wind noise for outdoor use. The charging case with 800mAh capacity keeps your microphones powered throughout the day, and the USB-C port allows convenient recharging.

Suitable for

• Vlogging and YouTube content creation
• Interviews and podcasts
• Live streaming on social media
• Video calls and remote meetings
• Field reporting and event coverage

Key specifications

• Microphone Type: Dual Lavalier (Clip-on)
• Wireless Technology: 2.4GHz Digital
• Receiver Connector: Apple Lightning
• Compatibility: iPhone with Lightning port
• Operating Range: Up to 100 meters (330 feet) line-of-sight
• Audio Latency: <25ms
• Transmitter Battery Life: Up to 7 hours per charge
• Charging Case Capacity: 800mAh (provides 2-3 full charges)
• Charging Port (Case): USB-C
• Polar Pattern: Omnidirectional
• Frequency Response: 20Hz - 20kHz
• Signal-to-Noise Ratio: >70dB
• Noise Reduction: Yes (Built-in DSP)
• Real-time Monitoring: Yes (via receiver)
• Number of Microphones: 2
• Material: ABS Plastic

Recommendations

For best results, ensure a clear line-of-sight between transmitters and receiver. Use the included wind muffs in outdoor environments. The charging case can be recharged via any standard USB-C cable. Compatible with all iPhones featuring a Lightning port (iPhone 5 and later).