... , ready to use playback pause, adjust volume, select the song up and down song Audio Size: 5 * 5 * 5cm Aluminum body, ... appearance, unique design, so sound quality is better Clean and pure sound qualityLaptop speakers, phone speaker preferredChildren listen to stories ... IN audio input line, do mobile phones, laptops, desktops, MP3 \ MP4 external speakers.Speakers can be accessed by computer, phone ...