High-end components S-Master HX digital amplifier technology, independently developed for Walkman is compatible with the native DSD format and supports balanced, high-power output. It reduces distortion and noise over a wide frequency range, for a rich, full-bodied sound, further enhanced by a new high-quality lead-free solder. Long battery life With long battery life, you can further immerse yourself in your music, with up to 36 hours of FLAC 44.1 kHz playback, up to 32 hours of FLAC 96 kHz high-resolution audio playback, or even up to 26 hours with a music service application. Wi-Fi compatible for direct download and music streaming. Supported by Android and Wi-Fi compatible, the NW-A306 gives you even more ways to listen to your music. Enjoy your favorite streaming and music apps directly on your Walkman, or connect to a PC to access your music collection. Wireless Hi-Res Audio Enjoy high-resolution audio quality wirelessly thanks to LDAC, our high-end wireless codec. With 3 times the bit rate of standard Bluetooth technology, you can enjoy a superior listening experience for all your music. 360 Reality Audio Immerse yourself in the sound all around you. As real as if you were there at a live concert or with the artist recording in the studio. With 360 Reality Audio, music has never been so immersive and so real. The NW-A306 lets you enjoy 360 Reality Audio. Infinite playlists The NW-A30 series has expandable storage capacity. Simply add a microSD card and you'll never run out of music.