Features: Discover the versatility of this portable speaker that combines multiple functions for entertainment and education. Enjoy clear and realistic sound quality with this compact and lightweight device, perfect for on the go use. Suitable for music enthusiasts, students, and expectant mothers, this multifunctional device caters to a wide range of users. Whether you're at home, in offices, or outdoors, this device provides a personalized space for music enjoyment and learning. Embrace the convenience of prenatal education, language learning, and personal entertainment with this all in one device. Specifications: Material: ABS Battery: built-in 1500mAh Charging voltage :5V/2A Operating voltage :3.7V Output power :2W Rates frequency :50Hz Support disc format :MP3 disc,R, WMA Radio :31.5Hz-16kHz+/-3db Package Includes: 1xMusic Speaker note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.