About this product High-resolution lossless sound quality: This digital sound player features a 2.4-inch HD display that delivers detailed, high-resolution sound quality without distortion. It supports popular file formats including FLAC, APE, DFF, MP3, WAV, WMA, M4A, MP2, AAC, ALAC, OGG, AIFF, and Native DSD (up to 128-bit/5.6 MHz). User-friendly and intuitive design: This sound player features a 2.4-inch HD display and intuitive ALPS scroll control for easy navigation of music playback. The player offers flexible usage, including line-out and headphone-out ports, suitable for use with a car auxiliary cable or home audio system. Its compact size and excellent zinc alloy chassis make it ideal for listening on the go. Bluetooth 5.3 connectivity: This music player features two-way Bluetooth 5.3 connectivity that transforms your listening experience with lossless wireless sound transmission using the APT-X protocol. It can broadcast to Bluetooth-compatible devices such as headphones, speakers, or act as a Bluetooth receiver. High-Resolution Input: This digital music player can be connected to a USB amplifier with input as a digital source, or used as an external decoding amplifier when connected to a smartphone or computer. It offers excellent battery life and expandable storage options. Expandable Storage: Enjoy up to 10 hours of non-stop high-resolution sound playback via headphones or Bluetooth. The HiFi audio player has built-in 16GB memory, which can be expanded up to 256GB using a memory card or other USB OTG device (OTG cable not included), allowing you to store up to 14,000 songs in your music library.