Loudspeaker 4 & omega; 3W 45mm playing time over 10 hours material wood + metal polymer lithium ion battery lithium ion battery 1200mAh charging time 2-3 hours product size 28 * 24 * 46cm carton size 52.5 * 37.5 * 41cm piece / case 1 unit weight 2.75kg net weight 4.5kg gross weight 5.5kg
