... response: 60Hz-18HzSNR(Signal to Noise Ratio): ≥95DbDistortion: ≤ 0.5% Speaker size: 60*60*54mm Main features:High capacity polymer Li ... /PC, mobile, mp3/4, etcPrecious metals NdFeB and powerful loudspeaker, 3D digital dynamic bass engine technology, super shock high-quality sound ... manual--1pcUSB 2 in 1 data cable--1pcThis mini bluetooth speaker create a shell for the whole metal, matte surface with ...