Premium UNIVERSAL Vehicle Dual USB-A Port 2.4A Charging Adapter w/Boost Technology (w/out Cable) - Black Charge your cell phone on the go with our F1 Car Charger. The F1 Car Charger is equipped with the latest Boost Technology to deliver the fastest possible charge. The F1 Model has Boost Technology which deliver up to 3.4a charging output to your device. Our Shock IQ Technology protects your phone from over-charges and short circuits while delivering the fastest possible charger tailored for your device. Easy to read LED Indicators to let you know when your phone is fully charged. Save time and keep moving. Compatible with any iOS and Android mobile devices. The F1 Dual Fast Charge Car Charger Adapter has a Window Breaker Functionality in case of any emergencies.