Newest 

Model: SK-207

Dimensions: 90x70x60mm (LxHxW)

Impedance: 4Ω

Output Power: 3.0W

Frequency Response:90Hz-20KHz

Support music playing inMP3/AVI/WMA formats

Sensitivity:80db2db      

SNR≥ 80db 

Distortion≤ 0.3% 

Interrupted memory

With FM Radio, Alarm Clock and Calendarfunctions

Support U Disk /TF Card /Line-in Audio /USBAudio

Can display lyrics with LCDScreen

Power: External Lithium Battery /USB cable

hot selling USB mini digitalspeaker