First custom earphone in the world with a single 14mm dynamic driver couples with advanced frequency suppression technology (FST). Frequency Response: 10-20000 Hz Impedance：16ohms（including cable） Sensitivity (at 1kHz)：116dB spl (1mW) Important: Due to the size of the driver, people with small ears may not be able to fit. We would need your ear impressions to check for sizes...
“I live in China and have built up a collection of mostly local brand headphones: Astrotec AM90 and AM800, Soundmagic E10, Ecci PR200, Dunu Hades, several different DIY Yuins and (Korean manufactured) Feels Pro 900. I ordered the Xiaomi earphones recently without much expectations - the brand is well established in China and the phones are pretty good but they have no previous...” --Maxiao