SPECIFICATIONS: Playback disc format: CD/CD-R/CD-RW/MP3 Battery capacity: 2000mAH Charging voltage: 5V-2A (type-C charging port) Output power: 2W Bluetooth transmission version: 5.3 Signal-to-noise ratio: 70db Frequency range: 50HZ-20KHZ Dimensions: 135x135x25mm Package Includes: 1pcs * Portable Bluetooth CD Player Note: 1.Please allow slight dimens error due to manual measurement.Thank you for your understanding! 2.Due to different monitors and different lighting, the picture may not show the actual color of the item. Thank you for your understanding. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.