It is smart car charger, it can automatically change the current according to the deivces which is being charged and, it is much faster than normal car chargers can be used for universal tablets and all smartphones, with CE, ROHS, FCC certificates.Smart IC controlwe imported high end PCBA panel. with short circle protection, over charging protection, over current protectioin, over heat protectioni, over voltage protection, Fireproof PC material + Hard ABS Product Dimensions 6.4 x 3.5 x 1.5 inches 12V-24V input/ 5v 2,4A output WORCKS WITH : IPhone 6/6S/5S/5C/5/4S/4/3 Samsung Galaxy S7/S7 Edge/S7 Edge Plus/S6/S6 Edge/S5/S4/S3, Note 3/4 HTC One/One X/One S/M7/M8/M9/M10 Nexus 5/4, 5X, 6P LG G4/G3/V1
QUICK CHARGE: The powerful Quick Charge technology offers the fastest and most efficient charging technology and helps to protect your smartphone battery cycle life, faster than traditional charging methods
SAFETY TO USE:Triple safety design with over-heat, over-current, and over-charging protection. Charging will automatically stop when battery is full blue LED light confirms whether USB charger
COMPATIBILITY : Universal USB car charger is suitable for a wide range of devices: iPhones, iPads, most smartphones, tablet PCs, mini speakers, MP3/MP4 players, GPS navigation devices, handheld consoles, and other digital devices with 5V input.