woofer Vibration portable 1. Alumium alloy SPEAKER 2.USB/TF CARD FM SPEAKER 3.CE,ROHS FCC certificate ¹²³ROHSCEFCC Model:JH-MAUK2BNew MINI ... aluminum vibration film loud speaker, - Powered by USB, 5.5V/1000mA, AC Power adapter With FM functio Micro SD ... Colors available:black, pink, blue, green, silver MUSIC ANGEL laptop woofer Vibration portable mini digital speaker