Featuring a high-power 2.5 Amp AC adapter, the Plugable 4 Port USB 2.0 Hub With BC 1.1 Fast Charging provides full standard USB 2.0 hub functionality, providing USB 2.0"s standard 500mA per port, plus new charging features for charging at up to 1500 mA (for devices supporting BC 1.1). LED bar reports power status. List of compatible devices for charging without a computer Google Nexus 7 Apple iPhone 5 (latest with 9-pin connector *only*) Apple iPad Mini (latest with 9-pin connector *only*) Amazon devices (Fire, Touch, Paperwhite) Can power the Raspberry Pi and its attached USB devices. See below on guidance for other and older devices. Most will not charge with a USB hub. USB Fast Charging When used with Battery Charging 1.1 (BC 1.1) compliant devices, able to fast charge at 3x normal USB 2.0 rate (1.5A) without a computer attached, up to a total max of 2.5A (actual charging rate is determined by and varies by the particular device being charged). When used with non-BC 1.1 devices, this is a standard USB 2.0 hub, requiring a host computer to be attached and on to charge devices at the USB 2.0 max 500mA rate. Older Apple devices with a 30-pin connector *not* are BC 1.1 compliant. Hub Controller Latest Terminus Technology USB 2.0 and BC 1.1-compliant chipset supports efficient data transfers for maximum performance across all devices with minimal power draw. Low power consumption is achived with 0.18um technology and declocking/depowering of unused ports and parts of chip not currently in use. In the box Compact black Plugable 4-Port USB Hub, 2.5A Power Adapter with 6" power cord, 5" USB A to mini-B cable for connecting the hub to PC.