2012 hot sale Mini digital speaker for iphone/ipod/mp3/4 Specification: 1.Output power:2W*1 40 ohms 2.supply voltage:DC 5V. Li-On battery 3.7V 200MA 3.Frequency response:100HZ-20KHZ 4.Materail:metal Packaging: 1,product size:6*5.8*4.7cm 2.carton size:53*32*17.5(H)cm/120PCS 3.NW/12KG GW/13KG 4.Blister box 5.delivery time:20-25days Features: 1.work for computer/mobile/mp3/4 2.with USB/FM/TF card/FM radio 3.stereo sound and portable 4.newest profile 5.small size and easy to carry similar mini speaker