Porodo Lavalier Microphones Type-C Connector with Lightning Adapter - Black

Charging Cace 

-Charging Time: 2 Times (Up to 16H) 

-Battery Capacity: 600mAh 

-Recharge Time: 1.5H 

Micropones 

-Frequency Response Range: 50HZ - 18KHZ

-Battery Capacity: 90mAh

-Recharge Time: 1.5H 

-Sensitivity: -38 ±2dB 

-Frequency: 2.4GHz 

-Working Time: 7H

-SNR: 68dB

Receiver

-Latency: 20ms

-Frequency Range: 2.4GHz 

-Frequency Response: 50HZ - 18KHZ