The FiiO Jade Audio Jiezi A is a technically precise, ultra-compact USB-C dongle DAC with an integrated amplifier function, offering excellent sound performance despite its minimal dimensions. It is equipped with a high-performance USB bridge chip, a high-quality DAC/ADC component, and a DSP, supporting PCM formats up to 32-bit/384 kHz as well as DSD256 decoding. This results in impressively clean sound reproduction. The integrated 10-band equalizer allows for personalized sound adjustment via the FiiO Control app or web interface, including the ability to save and share custom sound curves. The Jiezi A version features a 3.5 mm headphone output that supports inline controls and can be used for calls or voice chats in games. It serves as a practical sound enhancer compatible with many earbuds and headphones, particularly suitable for smartphones without a 3.5 mm headphone jack. The casing, made from an aluminum-magnesium alloy and adorned with traditional engravings, combines an elegant appearance with robust tactile quality. The cable is crafted from oxygen-free, palladium-coated copper and is wrapped in silicone and textile to ensure flexibility and durability. The dongle format with an integrated USB-C cable allows for universal compatibility – plug-and-play with Android, iOS, HarmonyOS, Windows, macOS, and Linux. It operates via UAC 1.0 or 2.0, ensuring extensive system compatibility. The Hi-Res Audio certification further emphasizes the sound quality. Weighing approximately 6 grams and featuring stylish craftsmanship, the Jiezi A combines lightness with audiophile precision.