Style:Handheld MicroCommunication:araoke MicroType:Application:Family Ktv Size:9.45*2.95*2.36in Battery Capacity:1200mah OR 2200mah( with Lithiu) Playing Time:3 ~4H Frequency response range:30Hz to 20KHz Output power:5W (Loudspeaker Output) + 1 Bass Vibrator