This 2-port car charger lets you charge two mobile devices simultaneously, while you're driving.High-powered chargingThe charger can deliver 24 watts of power in total, sharing 4.8 amps of power between both ports. This means that you can charge two tablets at the same time.Shared power outputThe dual-port charger features Smart IC technology, which enables it to identify what type of device is connected to each port. By recognizing the attached device, the charger delivers the optimal charge that's specific to each device.One charger for all of your mobile devices, compatible with most phones and tabletsThe charger supports USB Battery Charging Specification 1.2, which ensures compatibility with a broad range of mobile devices, including the Apple iPhone and iPad, the Microsoft® Surface™ tablet, the Samsung Galaxy Tab™, Nexus™ phones and more. When you're traveling with a passenger, you can charge their device as well as yours, and ensure that both of your mobile devices are ready when you arrive.The USB2PCARBKS is backed by StarTech.com's 2-year warranty to ensure dependable performance. More from the Manufacturer

• Supports device charging while traveling
• 4.80 A supports steady current availability needed to maintain standard powered device functionality
• 24 W maximum output power supports stable external power delivery for devices requiring higher wattage levels
• iPhone device supported supports reliable external power delivery to compatible devices
• Auto Adapter with 12 V DC input voltage supports stable operation by aligning with rated electrical input tolerance ranges
• Delivers constant 5 V DC to support stable and continuous device operation