1,2.1A wall mount power adapter; 2, Input : 110V ~220V ,Output : 5V/2.1A 3, PSE/FCC/UL/ Approved ; Foldable 2.1A wall mount power ... & O/P at full load 150mVOver current protectionO/P Setting 2.5AShort current protectionOutput equipped with short circuit protection-auto restart ... confirmed ;-- Compatible : Smart Phones , Tablet PCs,GPS,PND,PSP…… Foldable 2.1A wall mount power adapter with PSE Approved