... certificate ¹²³ROHSCEFCC Model:JH-MAUK2BNew MINI aluminum vibration film loud speaker, - Powered by USB, 5.5V/1000mA, AC Power adapter ... 2- Line in: configure 3.5 mm stereos plug- Loud speaker: 1.77inch (external diameter 40mm) magnetic resistant 4 Ohms- ... Dimension: 165x50x52cm Colors available:black, pink, blue, green, silver MUSIC ANGEL laptop woofer Vibration portable mini digital speaker