Digital Mini Speaker With Candy Colors For Mobile Phone 1,USB 5V power 2,Dual ... audio amplifier circuit 3,Multi Colors Digital Mini Speaker With Candy Colors For Mobile Phone Main Features:A,mini portable speakers ... ,White,Pink,Blue,Yellow,Grey,Purple LED lightNOBattery Voltage3.7V Li-onInput Interface3.5mm portOutput Interface3.5mm portWarranty12 monthsCertificationCE,Rohs,FCCOperating ...