Using professional CD laser recognition module instead of VCD and DVD laser recognition modules on the market, the higher signal-to-noise ratio restores the to a higher degree. Re-layout and optimize each functional module to make the product more in line with pure music enjoyment, avoid large and comprehensive functions interfering with the operating experience, and allow users to focus purely on music. Bluetooth connection, easy to connect bluetooth headset, bluetooth speaker. Wirelessly listen to high-bit rate music, and also supports 3.5mm headphone connection. Indicator lights of different colors correspond to different power, Bluetooth and charging states. At the same time, it is equipped with an LED display screen, and the playback information is clearly displayed. Product parameters TYPE-C input: 5V/1A Supported CD formats: CD, CD-R, CD-DA, CD-RW, HD-CD Charging time: 3 hours Battery capacity: 2000mAh Bluetooth transmission distance: 8-10 meters : 70dB : Less than 3% Size: ∅170 x 27mm Material: ABS+Aluminum alloy color: White Product net weight: 360g Package Contents: 1 x Bluetooth 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. 2: Built-in 2000mAh battery, say goodbye to AA batteries, say goodbye to trouble. 13 hours of playback time (10 hours in Bluetooth mode) USB-C interface fast charging, enjoy longer music time. 4: Limited by the opening and closing angle, the user will feel inconvenience in the process of picking and placing the disc. For this reason, we designed the upper cover as a rotary sliding opening and closing, using magnetic suction to fix the opening and closing position, and the upper cover can be completely opened without blocking. difficulty. 1: Concave and convex buttons, the function is known by touch, which is convenient for users to operate blindly and prevent accidental touches. Product Description 3: Open the package of the CD, carefully look at the cover design, put the CD into the player, press the "PLAY" button, take out the book, sing and listen, without the interference of notifications and voice messages, this is pure music enjoyment.