Nano wood fibre composite diaphragm: The diaphragm of the FIIO FT1 earphones is primarily made from selected wood fibres, with a base material of 90-year-old spruce from Northern Europe. It incorporates a specific proportion of carbon fibre material, resulting in a diaphragm thickness of approximately 0.1mm. This design achieves a balance of lightweight and durable physical properties.

W-shaped independent suspension design: Derived from FIIO's latest self-developed acoustic technology, the W-shaped independent suspension design increases the effective vibrating area of the diaphragm by 25.8% compared to conventional diaphragm designs of the same size. This larger effective diaphragm area and amplitude allow the acoustic core unit to store more sound energy.

Portable lightweight headband: The FT1 features a ball slide rail headband design, significantly enhancing its durability. Compared to other products in its class, the FT1 offers an extensive adjustment range from 0 to 11 notches to accommodate various head sizes. The headband contact area is covered with suede fabric, ensuring a comfortable and breathable experience, making it both refreshing and durable.

Standard with two oxygen-free copper silver-plated headphone cables: The audio connectors include a 3.5mm single-ended and a 4.4mm balanced plug. Both cables feature identical specifications, utilizing oxygen-free copper with silver plating and containing 392 strands of wire. Each cable measures 1.5 meters in length and has a diameter of 24AWG