[16GB Large Memory & Expand up to 128GB] 16GB memory, store more lossless music. It can also be used as a USB flash drive. If you are still worried about insufficient memory, you can also use a maximum 128GB SD card for expansion. [1.8 inch large screen and double-sided acrylic glass] The MP3 player is equipped with a 1.8 inch high-resolution color TFT screen to give you a better visual experience. Using double-sided glass, more fashionable design, more beautiful appearance and more comfortable feeling. [Wireless Bluetooth 4.2 and HIFI lossless sound quality] This MP3 player uses upgraded Bluetooth 4.2 to make the connection and transmission more stable. Whether it is Bluetooth headphones or Bluetooth headphones, it can provide you with the most original sound quality. Professional intelligent digital noise reduction chip, providing high fidelity sound close to the original sound. Designed for music lovers. [480mAh Large Capacity & Smart Power Saving Technology] Equipped with higher quality lithium battery, it can provide better storage performance, larger capacity, longer life and safety increased. At the same time, the use of intelligent power-saving technology greatly extends the usage time of the player. Up to 50 hours can be played at medium volume. [Multi-function MP3 player and quality service] This multi-function MP3 player, with music playback function, one-key lock, recording, FM radio, photo browsing, e-books (only supports TXT format).