... channel audio amplifier circuit 3,Multi Colors Digital Mini Speaker With Candy Colors For Mobile Phone Main Features:A ... 40Hm Dimension85*53*53mmWeight 35gFrequency100Hz-20KHzDistortion0.5% maximum Colors Black,Green,White,Pink,Blue,Yellow,Grey,Purple ... 5V Dual Channel YesWarranty 12 monthsCertificationCE,RoHs,FCCQualityComply with the standard Apply hardware detection, intelligent protection circuit ...