... quality1 PCTechnical1.Size :Φ23×178mm2.AC/DC chargerInput Voltage : AC100-240V,50Hz to 60Hz;Output Voltage:4.5V dc;Output Current : 500mA3.The internal ... battery 3.6V , saturation capacity 2200mAh4.Equipment normal workingvoltage range:DC 3.0V4.2V5.Optic fiber :Φ10mm×Φ8.5mm 45°bends6 ...