... battery. 3.Good Bass effect 4.large stock Android Robot Fashionable gift items mini altavozFeatures:TF card reader,FM ... buttonCompatible with computer,PC,notebook,Iphone,ipad,ipod,etc..Android Robot Mini SpeakerAttribute: 1.Demention90*60*102mm2.Output RMS3w, THD ... Power4Ω/2W4.Frequency Response200Hz---18KHz5.Signal-to-Noise>85db6.Distortion<0.5%7.BatteryRechargable Li-Battery8.FM Frequency87.5--- ...