Aquarius Built-In Smart Dual USB Car 5V And 2.1A Ports Universal Charger Black Aquarius Dual USB Car Charger 2.1A is a universal charger that can be used with a wide range of devices, which allows you to charge, sync and transfer data to and from your device. This is the ideal accessory to be used when connecting your device to your computer when transferring data and synchronizing your device. The technology automatically detects and delivers the optimal charging current up to 2.1 amps per port for any connected device-ensuring the fastest, most efficient charge. With up to 2.1A current output, the charger is capable of simultaneously charging two large tablets at maximum speed. DUAL USB CHARGER PORTS: Comes with dual 5V/2.1A charging ports, built-in smart charging IC, will auto detects your devices and simultaneously chargers 2 devices at optimal speed, better charging performance. OPTIMAL CHARGING EFFICIENCY: Dual smart USB ports quickly and easily identify your mobile devices, to provide optimal charging efficiency automatically, simultaneous charging any two devices at high speed with 2.1A total output power. SPLASH-PROOF AND NYLON MATERIAL: This USB charger socket with the splashproof grade, allows it do a good job on the boat. Adopted PA66 environment-friendly nylon material, high temperature resistant, low temperature resistant. OVERCHARGE PROTECTION: The cable built-in a 10A fuse for over-load protection, the USB socket meets CE/ROHS certification, charges safely, without risk of overheating or damaging devices. Also has anti-flame-retardant properties, makes it a high safety standard product. SYSTEMS MODULE MULTI-SAFETY: Intelligent circuit design protects against short-circuiting, over-heating, over-currents, and over-charging. Charging stops when the battery is full. With up to 2.1A current output.