Definition Audio Experience Lossless playback with advanced audio processing for truetolife sound reproduction. Supports MP3, WMA, WAV, APE, FLAC, AAC, M4A, OGG, ALAC, and DFF formats. Zinc alloy unibody construction minimizes interference and helps reveal subtle details in your music. Expandable Storage Capacity TF card support up to 256GB for a large music library. Portable digital audio player designed to carry thousands of songs, albums, and playlists without compromising sound quality. Versatile Connectivity Options 3.5mm headphone jack supports standard headphones and line output. Builtin Bluetooth 5.3 delivers wireless listening with stable transmission and extended range. Flexible compatibility with speakers, car stereos (via AUX cable), and earphones for versatile listening setups. MultiFunctional Capabilities Builtin voice recorder captures clear audio. Integrated radio receiver lets you tune into favorite stations for news, sports, and entertainment. Intuitive scrolling control wheel and userfriendly interface designed for listeners of all ages. Use Scenarios Daily commute: enjoy fidelity music with wireless BT headphones, switch formats quickly, and access playlists on the go. Road trips or car use: pair with car stereo via AUX or listen through portable speakers; manage your library and radio stations easily. Field notes and onthego recording: use the voice recorder for quick notes and playback later, while keeping your music library ready. Why it matters Combines fidelity audio, substantial expandable storage, flexible wired and wireless connectivity, and practical features like a builtin recorder and radio, all in a portable form factor.