Low profile USB car phone charger provides USB charging for two devices; Dual USB charging ports on car charger adapter outputs a shared 4.8 amps for charging two devices simultaneously at 2.4A each Compact travel charger will not block anything near the cigarette socket unlike a larger cell phone charger; Edge ridge design on this dual USB car charger adapter provides easy insertion and removal from your vehicle power socket Intelligent USB charger car power adapter detects the connected device and sends the maximum safe current up to 2.4 amps per port (4.8 amps total); Integrated over-current fuse protects the attached equipment and regulates the charging rate; FCC and C E compliant 12V USB car charger Cost-effective 2-pack of USB car adapter chargers provides a spare portable car charger to keep in your travel bag or a second vehicle; Lightweight USB cigarette light adapter weighs only 1/2 of an ounce Smartphone compatible with Lightning, Micro-USB