Twinbuys 002 Car Charger Adapter Dual USB Port for Phone Tablet Alloy Material Microphone Style Portable Size (Golden) Dual standard usb port can charge 2 phone or tablet devices at the same time with full speed Can be used in car, truck, bus etc. Compatible with most phone, tablet, GPS devices, MP3,MP4, PSP, DV, DC.etc. Alloy material all over, microphone shape fashion appearance , exquisite industrial design Intelligent IC protection for monitoring : over-current, over-voltage, over heat, etc; reliable quality makes your driving safer Features cold blue led light which is on when plugged in , convenient for use in darkness