speaker 1.soft touch nice gift 2.High quality Lower price 3.Fast delivery and short time shipping 4.CE,ROSH,FCC certificate speakerMP3 Speakerusb speaker SpecificationSpeaker4ohm,dimeter:36mmOutput Power2W*2Battery Voltage3.7VAmp Frequency Range280Hz-16KHzBattery Capacity 400mAh S/N ≥60db Selling Point*Connect to your MP3, MP4, Laptop, PC, MD, Mobile phones,Games,etc*Built-in magnetic bases will ...