1. One device does all the playback, and you can listen to it in your hand. 2. We designed a cavity speaker that is independently suspended inside the machine. 3. The orange play button, you can confirm that this is a music player just by looking at it. 4. Two-way bluetooth, you can connect your mobile phone through bluetooth to use as a bluetooth speaker, or you can transmit bluetooth signals to connect to other bluetooth speakers for playback 5. In Bluetooth mode, the screen can display song information. Bluetooth version: 5.3VER Supported disc formats: CD/CD-R/CD-RW Supported audio formats: CD/MP3/WAV/WMA Decoder chip model: SC6137D Speaker parameters: 4x12cm cavity speaker (4/3Wx2 bass diaphragm x1) Signal-to-noise ratio: 80dB Audio output interface: 3.5mm Audio output thrust: 3-30 Charging usable time: 5H (80% volume) Full charge time: 5H (5-8 hours is recommended for the first charge) Output power: CD mode: 4W/Bluetooth mode: 5W Power parameters: DC 5V/2-5A Charging interface type: TYPE-C note: Different batches may have different appearance, which does not affect use. Material: plastic colour: creamy white Package Contents: 1 set x CD Player Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.