... mini size 4 colors robot speaker with built-in Li-battery can read TF card Briefly introduction: ... ,blue.Adopt pure metalNoble appearance Function:1.Built-in Li-battery2.With TF reader function3.Can realize ... :Input volts D.C.:DV 5V±0.5vBuilt-in Li-battery:3.7V 600mAhPeak power outpet:3WFrequency response ... , MP4, MD, CD, DVD player, Mobile phone, etc Packing:Size:54*54*54mm Color box size:120*113*80mm ...