The 16GB internal capacity can hold up to 4000 songs. Features built-in o, flash disk, MP3 playback, recording, FM radio, TXT format e-book support, photo viewing, and video playback in FLAC and AMV formats. High-fidelity bass headphones with an elegant design. Simple operation with one-key screen lock/unlock and independent volume control for enhanced user experience. Can be used as a memory card reader or for file storage. Includes built-in high-speed Mini USB 2.0 data cable for easy drag-and-drop file transfer when connected to a computer. Compact, portable, slim, and lightweight MP4/MP3 player with 3.5mm o jack. Multiple playback modes: normal, repeat once, repeat all, and random. Take your music, videos, photos, and documents anywhere. Noise-reducing voice recorder with simple file management. , sophisticated design ideal for entertainment, study, outdoor use, and gym activities.