With our 2.4A Dual USB car charger, you can be recharging your smartphone, your tablet, your GPS device and your MP3 players all at one time. Make sure you and your passengers have access to all of the devices with one single car charger adapter. Universal Compatibility. Compatible for iPhone, for iPad, for iPod, for Samsung, for HTC, MP3 players, digital cameras, and PDAs, and all other digital devices with 5V input.