FIIL

FIIL is a Beijing-based tech company founded in 2015 by Leon Wu, specializing in the design and production of personal audio products, particularly headphones and earphones. They are known for their internet-first brand approach and offer a variety of audio products including on-ear, over-ear, in-ear, neckband, and TWS (True Wireless Stereo) options. FIIL also provides a companion app, fiil+, which offers detailed feature introductions and helps users optimize their listening experience.