Firstsing 85W 4.25A Ultrathin T-tip Magsafe 2 Power Adaptor Replacement Charger with 2-Port USB for Apple MacBook Pro

Input: AC 100-240V,50-60Hz
Output: DC 20V-4.25A
2 port USB can charge your iPhone, iPad, Samsung, Android Smartphones and other devices while charging your MacBook pro. You can also share power with your family or friends.
And its portable design is easy to carry, take it to anywhere you want.Such as office,travel etc..
Power protection: It has built in overheating, over current, short circuit ,over voltage.