This device offers high-quality audio playback for various music sources, such as CDs, downloaded songs, and streaming services, through both wired and wireless connections. Featuring the S-Master HX full digital amp technology and carefully selected components, the compact music player provides superior audio quality compared to smartphones. The DSEE Ultimate AI technology automatically upscales music for a high-resolution audio experience. The audio player is designed for high-resolution audio quality, using carefully chosen components for an expansive and transparent sound. Its compact size doesn't compromise the quality, offering a rich and high-resolution audio experience for all music sources. With a battery life of up to 36 hours, the device has improved power efficiency, especially during standby and streaming services, and uses the same battery as higher-end models. The device supports microSD cards for additional storage, allowing users to comfortably enjoy their favorite music without worrying about smartphone battery life or storage. The player allows easy and convenient music transfer from streaming services, CDs, or purchased downloads, with or without a computer. The compact NW-A300 series offers portability and comes in three color variations with a sophisticated design. The device uses high-quality components, such as gold-infused solder and a reinforced 3.5mm 4-pole headphone jack, for improved audio quality when using wired headphones. Enjoy a high-resolution audio experience with expansive sound, tight bass, and more when combined with high-resolution wired headphones.