... ,Usb cable &Lithium battery powered 3,USB mini speaker for PC,MP3/4,Iphone ect. 4,With MiC. Color:Crystal Pin,Rose Red ... : usb powering and li-on battery powering (Nokia BL-5C).4,Great bass .5,No-disturb listening , connecting earphone.6,Date ... the last song played.Specification : Speaker Specifications: 1.5-inch 4 Output power: 4W Frequency response: 90Hz-20KHz Sensitivity: 80db±2db ...