HIFI lossless sound quality The lossless music player uses a professional audio IC plus dual decoding to reproduce a realistic soundstage. The decoding hardware uses the WM8965 DAC and TI TPA6530 power amplifier. Supported formats: MP3(848 kHz, 8320 kbps), WMA(848 kHz, 5384 kbps, STD 896 kHz), WAV(8192 kHz), APE(896 kHz, ; 8192 kHz, fast), FLAC(8192 kHz, LOL10), ACC(848 kHz, 8320 kbps, LC), OGG(848 kHz), DSD 128(5.6 MHz). Large capacity memory 1500 mAh battery, full charge in about 2 hours, up to 25 hours of continuous playback. The M30 has no builtin memory; expandable memory up to 256 GB. Fashionable craftsmanship Nondestructive CNC aluminum alloy shell that is elegant, portable, and fingerprintresistant. Scroll wheel provides fast, responsive track navigation. Menu and keys feature a onekey lockscreen function for easy operation. resolution display 2.0inch LCD display with 320x240 resolution; intuitive, concise UI with color saturation. Displays lyrics and the song title for easy reference. Practical scenarios Daily commuting or outdoor listening: enjoy long playtime (up to 25 hours) with a compact, portable design. Large music libraries on the go: expand storage up to 256 GB to carry extensive playlists without compromising quality. Audio enthusiasts on the move: fidelity with WM8965 DAC and TI TPA6530 amp for faithful sound reproduction in various environments.