The Naztech Gemini was engineered with dual USB ports to charge up to two devices simultaneously‎,‎ saving time and increasing charge efficiency‎.‎ The sleek‎,‎ low profile design comes with a crystal blue LED indicator and polished accents to accentuates the sophistication of the Gemini‎.‎ With 3100 mAh of power‎,‎ this Naztech Gemini can take on whatever you throw its way‎.‎ Special Features‎:‎ Rapid Charge From Any Car Crystal Blue LED Low Profile Design Specifications‎:‎ Input‎:‎ 12‎-24V Output‎:‎ 5.2V Power‎:‎ 3100mAh Protection‎:‎ Short Circuit / Overcharge Cable Length‎:‎ 3.3 Cable Gauge‎:‎ 3.5mm Certifications‎:‎ CE‎,‎ MFI‎.‎