USB Charger Car Dual USB Car Charger allows you to charge smartphones, tablets, music players, and electronic devices on the trip. Two USB Ports (2.1A and 1A) offers rapid charging of smartphones, tablets, and other devices. Automatically stops when the device battery is full. A blue LED power indicator is lit to show that the car charger is ready for use or is charging Compatible with iPhone 6s Plus, 6 Plus, iPhone 6, iPhone 6s 5s 5 5c 4s, Samsung Galaxy Note 5 4 5 2, Samsung Galaxy S6, S6 Edge / S5 / S4 / S3 / Tab 4 3 2 7.0 8.0 10.1 / S 8.4 10.5, Lg Optimus G4 G3 G2 /G Flex /G Pro 2, HTC One M9 M8 M7 M4, Nexus 6 5 4 7 8, iPad Air 2, iPad 4/3/2, iPad Mini 3 2 Retina, iPod Touch, Bluetooth Speaker for Smartphones, Tablets & Other USB Devices (Charges Just About Any Device That Requires a Usb) 12 - 24vdc Input CE, FCC & RoHS certificates. Switches to minimal charging current when battery is full. High quality-fire proof material & anti-oxidation aluminum No radio loss in your car or effect to Bluetooth or Wi-Fi devices