Equipped with Bluetooth 5.0, supporting both receiving and transmitting. Unlike many CD players, this product adopts Bluetooth 5.0 technology, enabling both receiving and transmitting capabilities. It can connect not only to Bluetooth-enabled smartphones, PCs, and other devices, but also to Bluetooth earphones and Bluetooth speakers, allowing you to enjoy music anytime, anywhere. "Many functions, a versatile CD player." This product meets the needs of various customers. First, it is equipped with AUX and SPDIF functions, allowing output to external audio devices such as car audio systems. Furthermore, it can send audio signals in a completely digital state, ensuring high-quality and reliable data transfer. In addition, the built-in FM radio function receives a wide frequency range from 76.0MHz to 108.0MHz, enabling high-quality audio transmission, allowing you to enjoy detailed musical expression and rich sound. It also supports USB playback, so you can listen to not only CD tracks but also other songs. Note: 1. In USB mode, this product only supports FAT16/FAT32 USB. It does not support NTFS. 2. Only MP3/WMA song files are supported. "Built-in stereo speakers & 3.5mm headphone jack." This CD player has a 3.5mm headphone jack, supporting separately sold 3.5mm earphones. In addition, it is equipped with built-in stereo speakers, providing three-dimensional high-quality sound without distortion in both low and high frequencies, immediately filling the space with music. "Simple design, easy-to-use CD player." This tabletop CD player with a retro and simple design is easy to use. It comes with a transparent dust cover, which protects the laser element and CD from damage while also serving as decoration. In addition, the included remote control allows for easy connection and switching of playback modes, searching and playing FM radio stations, Bluetooth transmission, fast-forwarding and rewinding of CDs, and track selection. It provides convenient operation while adding an elegant atmosphere. Note: The remote control's operating range is 6 meters. "Supports various files in various situations." This CD player is compatible with formats such as CD/CD-R/CD-RM/CD-G/MP3/WMA/WAV, making it widely usable. s306