Product Features 1. **Extended Battery Life**: The MP3/MP4 player is equipped with a 450mAh lithium-ion polymer battery. It offers up to 30 hours of playback time and can be fully charged in 2 - 3 hours via the USB charging cable, meeting your usage needs. 2. **Large Storage Capacity**: This MP3/MP4 music player comes with an 8GB built-in memory, capable of storing up to 2000 music tracks. It also supports a Micro memory card with a maximum capacity of 64GB (the memory card is not included in the product). 3. **Lightweight and Portable**: Designed to fit in the palm of your hand, this music player is lightweight and can easily fit into your wallet or pocket. It is convenient to carry, especially suitable for scenarios such as sports, running, jogging, traveling, and hiking. 4. **Easy to Operate**: The MP3 player features a classic button design for easy navigation. Downloading is simple; just connect it to your computer and drag and drop music files or folders to complete the download. It can also be perfectly adapted to your car audio system through the AUX port. 5. **Format Support**: With lossless sound quality, it supports formats such as MP3, WMA, OGG, WAV, APE, FLAC, AAC LC, and ACELP (APE and Flac requirements: 8KHz - 48KHz, 1000Kbps). It does not directly support audiobooks and iTunes formats. Product Information - **Product Type**: MP3/MP4 Player - **Material**: ABS - **Main Control Model**: ATJ2117D - **Screen Type**: 1.8-inch TFT High-definition Screen - **Resolution**: 128 x 160 Pixels - **USB Port**: High-speed 2.0 Interface - **Audio File Types**: MP1, MP2, MP3, WMA, WAV, and Other Music Formats - **External Memory Card**: Expandable up to 64GB (the memory card is not included in the product) - **Built-in Battery**: 450mAh Lithium Battery - **Picture File Types**: JPEG, BMP, GIF - **E-book Types**: TXT - **Other Functions**: FM Radio, Recording, Games, E-books, Movies, Music, etc. - **Supported Languages**: English and Other Language Displays Package List - 1 MP3/MP4 Player - 1 Charging Cable - 1 Pair of Headphones - 1 User Manual - 1 Plastic Box