2.1A high efficiency dual output, 1.5A fast input charging 10400mAhhuge power, support all smart phones and tablet computer charging.Portable size (105 x 72 x 22mm) with hand only. ABS and PC flameretardant material shell, safe and reliable. With 20cm micro USBpure copper charging transmission line. 7 large power managementsecurity protection, anti-overcharge, anti-over-release,anti-overheating, anti-short circuit, anti-over voltage,anti-overcurrent. With 4-segment power indicator shows the chargestatus. The purchase of global product liability insurance, toconsumers more of a confidence. By the FCC, CE and ROHSinternational safety certification.