K11 Lightning Port Professional Wireless Lavalier Microphone for iPhone iPad Laptop Android Live Gaming Video Recording Interview Business Mic Product details of K11 Lightning Port Professional Wireless Lavalier Microphone for iPhone iPad Laptop Android Live Gaming Video Recording Interview Business Mic Frequency: 2.4GHz Voltage input: DC4.8-5.4V Charging port: for Lightning IOS Battery capacity: 80mAh Transmission Distance: 8m barrier, 20m barrier free Microphone Size: 62*23*28mm Microphone weight: 7g Receiver Size: 45*27*7mm Receiver weight: 4g • Condenser Microphone :The K11 professional wireless lavalier microphone uses a condenser microphone, which captures sound more accurately than other types of microphones.