GEEDIAR Tiny Wireless Lavalier Microphone for iPhone iPad with Charging Case for Interview Podcast Vlog YouTube Features of Wireless Microphone for iPhone: 1.100ft hassle-free transmission 2.48H ultra-long battery life 3.Intelligent noise reduction 4.Acoustic reverb free switching 5.Plug and play fast connection 6.LED digital power display 7.Charge your phone while recording Package Included: 2 x Microphone 1 x Receiver 1 x Charging Compartment 1 x Charging Cable 1 x User Manual Specification of Mini Microphone iPhone: Compatibility: For iPhone iPad Connector Type: For Lightning Port Charging Compartment Charging Time: About 2.5H Microphone Working Time: About 6H Microphone Charging Time: About 1.5H Battery Capacity: 600MAH Frequency Range: 2.4GHz Transmission Distance: 100 ft. for accessibility 23 ft. for human barriers Reverb: Support Sound Delay: Less than 30ms Signal-to-Noise Ratio: 64dB Note: 1. Only compatible with iPhone iPad Lightning interface devices. 2. If you want to use the microphone on a USB-C smartphone/iPad a USB C to Lightning adapter is required.