The Porodo Lavalier Microphones with Type-C Connector and Lightning Adapter provide professional sound quality in a compact and uncomplicated body. With a 600mAh charging case, the microphones can deliver up to 16 hours of usage time after a charge time of 1.5 hours. The microphones will have a 20ms low-latency performance, bringing clear and synchronized audio to all your recordings. They perform remarkably with sound clarity and precision and cover a frequency response range of 50HZ-18KHZ and a sensitivity of -38±2dB. They have a 90mAh battery for 7 hours of continuous working time. The live battery and charging status information is indicated using a digital display. This plug-and-play solution is compatible with both iOS and Android and is great for vlogging, interviews, and hands-free audio.