Connects smartphone, tablet, digital camera, MP3 player, and GPS with Mini-B or Micro-B port to your computer. Also works to charge and/or sync iPod, iPhone or iPad to your computer. It can also be used with USB AC power outlet for charging your devices. Supports power charge current up to 2.1amp. Works with Kindle, Samsung, Google Nexus, Acer, LG, HTC, Nokia, Motorola. NOTE: Only one connector can be active at a time. The 30pin connector is for Apple Devices and not for Samsung Galaxy Tab tablets. (Connectors: USB Mini-B Male/Micro-B Male/30-Pin Male to USB Male; Length: 3M/9.8ft; Color: White)