The FiiO JM21 is a portable hi-fi music player that combines technology and design at a high level. Only 13 mm thin and 156 grammes light, it offers high mobility, a good feel and a user-friendly interface with a 4.7-inch HD touchscreen display. 32 GB of internal memory and a slot for microSD memory cards offer space for local storage of music files. The Android 13 operating system ensures smooth performance. A huge selection of music can be accessed via streaming services. Two Cirrus Logic CS43198 DAC chips and an SGM8262 amplifier ensure balanced audio output with precise sound reproduction and impressive dynamic range. The integrated headphone amplifier offers an output power of up to 700 mW per channel and drives even high-impedance headphones with ease. With a 3.5 mm and a balanced 4.4 mm socket, the JM21 offers headphone connection options for a first-class listening experience. The FiiO JM21 also supports Bluetooth 5.0 with aptX HD, LDAC and AAC for high quality wireless audio transmission. The 2400 mAh battery offers an impressive playback time of up to 12.5 hours. The battery is fully charged in less than two hours and is therefore quickly ready for use again. The device is not only technically sophisticated, but also visually appealing, which is emphasised by the elegant and compact design. The FiiO JM21 is the ideal choice for anyone looking for a portable music player that combines exceptional sound quality, modern functions and high-quality workmanship in a compact format.