speakers bag 1.for MP3 player,iphone,iPod 2.use-friendly and durable. 3.fashionable design. 4.color can change as you need Speakers BagMaterials: PU+EVAPower supply:Battery(AA1.5V*2),DC3.0V,Output3V,300-800mA)Speaker unit:50MM*2Frequency Response:275 Hz-20KHzImpedance: 4Ohms(1KHz 10%THD)Cable length: 350mmPlug tyle: 3.5mm stereo LColors:Blue, pink, orrange,green, white, silver Product size: 136* ...