M3 MiNi portable speakeremran99 (27)in #steem • 3 months ago (edited) Model : M3 Packing size : 7040110MM Loudspeaker output : 4w Impedance : 3 Battery capacity : 300mAh Battery charging voltage : 5v[USB] Playback time : up to 2.5 hours Battery charge time : 2 hours #steemit #speaker