Portable, Mini Size (4.8 * 4.8 * 4Cm) 5W Speakers And Bass Diaphragm, Enjoy Heavy Bass Cylindrical And Metal Speakers Provide 360-Degree, High-Fidelity Stereo Call Function, Noise Canceling Microphone, So You Can Answer Calls Without Touching Your Phone Support Aux, Can Connect Mobile Phone, Mp3, Mp4, Notebook, Pc And Other Audio Equipment With 3.5Mm Interface Bluetooth 4.2, Compatible With All Bluetooth Devices 500Mah Battery,