Multi-functional CD Player: This R300 CD Player is a perfect gifts for everyone. It Built in Bluetooth 5.3,supports CD, CD-G, MP3.It has SPDIT and 3.5mm interface.2000mAh capacity battery can be played for a long time. The CD player can be connected to an external stereo via Bluetooth, Airpods and iPhone are not supported.
Real CD movement can provide clear, pure sound quality because its audio encoding is more efficient and reduces signal loss. High-quality audio files, in particular, are more able to show the details and emotions of the music.
Bluetooth CD Player: No built-in audio, It can be connected with Bluetooth-enabled devices such as speakers or Headphones (Due to Bluetooth protocol issues, some Bluetooth speakers may not be compatible). NOTE: It's a Bluetooth transmitter, Unable to connect mobile phones and computers.
SPDIF out: Optical fiber transmission speed, high signal quality, can reduce the signal transmission process interference, provide more clear, pure sound quality.

Syitren R300 CD Player (Electronics)