[Good service] 12 months warranty and good service. If you have any questions, please contact our customer service center. We will provide you with a quick and satisfactory answer. We have been working hard to improve the quality of products and services. [Wireless Bluetooth 5.0 and Hi-Fi lossless sound quality] Mp3 player with Bluetooth 5.0 brings you a more stable and faster Bluetooth connection experience. MP3 players can be paired with Bluetooth speakers or Bluetooth headsets (Note: Cannot use Bluetooth and smart Phone pairing). Professional intelligent digital noise reduction chip, providing close to the original HIFI-level sound. Designed for music lovers. [2.4-inch full touch screen, double-sided acrylic glass] The main body of the MP3 player is made of metal alloy and double-sided acrylic glass. The 2.4-inch full touch screen is easy to use even for children. There are physical power on/off buttons and volume buttons on the side to make the player look beautiful and more comfortable. A great gift for wives, children or the elderly. [Line input recording and multi-function MP3 player] This MP3 player supports LINE-IN recording, which can easily copy your favorite music from your smartphone to the MP3 player without downloading difficulties. This MP3 player supports FM radio, pictures, e-books (XT only), alarm clock, stopwatch, AB repeat, video, etc. [Internal 32GB memory and up to 128GB expansion] Built-in 32GB large memory capacity can store your high-quality music more than 5000 songs, and also supports up to 128GB TF card, no need to worry about memory capacity. This MP3 player can be used as a USB flash drive, so you can not only store all your cute music in your pocket, but also save all your important files in your pocket.