Cd Walkman Smart Bluetooth Player Prenatal Education Machine Portable Cd Machine Mobile Walkman Redmiter@ The product is shipped based on the color or size of the main image of the product page. CD Walkman Smart Bluetooth Player Prenatal Education Machine Portable CD Machine Mobile Walkman Learning Machine-BlackThe product is shipped based on the color or size of the main image of the product page.The circular design can be easily placed in the palm of the hand and can be held with one hand. The audio of this product does not have external playback function, so you can calm down in your own learning world even in noisy scenes. The Bluetooth CD player can be connected to earphones and speakers, allowing you to get along with music anytime, anywhere, without getting tired of listening for a long time. Features: Product name: CD Walkman Power adapter: input AC110-220V Output current: 5V/600MA Output power: 200MA (32 ohm dual channel) Battery: 3V 2xAA (not included) Support format: CD CD-R CD-RW MP3 WMA (no CD) Unsupported format: DVD/DVD-ROM/CD-ROM/software disc Frequency response: 20 Hz Signal to noise ratio: >80dB Production size: 143x142x25mm Headphone jack: 3.5mm can be connected with speakers, headphones, etc. Body weight: 265g Sound effects: tablet, forum, pop, jazz, rock, classic