?Features:
Blue LED mode， supports quick charge for the iPad， iPhone， iPod and most mobile phones (except for the Galaxy Tab).
Red LED mode， supports quick charge for the Galaxy Tab and most mobile phones (except for the iPad， iPhone， iPod).
USB pass through mode (LED OFF)， if your device need to transmit data between the PC when under quick charging， then you need to switch to this mode.

Specifications:
Input Connector: USB AM
Output Connector: USB AF
Input: DC 5V
Output: 500mA~2.1A DC 5V
Size:49*19*9mm/1.93*0.75*0.35in
Weight: 9.7g/0.41oz

Package List:
1 * USB fast charging switch