1.  USA plug USB charger      
2.  Input:AC100-250V 50-60Hz  
3.  Output: DC5V / 2.4A, up to 12W.
4.  Material:ABS+flame retardant PC
5.  Size: 23x35x64mm
6.  Weight:27g  7. Intelligent identification IC, multiple protection circuit, synchronous rectifier output