Attention: If you charge Three devices simultaneously, then the 3A current will be divided, so it is normal that it can’t charge so fast as you charge only one device.
Input: AC100-240V, 50-60Hz, 0.35A
Dimension: Approx.7(L) x 4.8(W) x 2.8(H)cm
Compatible With All Mobile phones that cherge through USB wall socket