Portable External USB 2600mAh Power Bank Battery Charger For iPhone 6/5/5S/5C/4 Samsung Galaxy S5/S4/S3/Note 3/Note 2-Purple Built-in 2600mAh high capacity rechargeable Li-Ion battery Compatible with: Sony Ericsson, Samsung, HTC, Blackberry, iPhone and other mobile phones. Regular mobile phones, portable cameras, gaming devices (PSP), 1Gen iPad, Amazon Kindle, and most tablets. Safe and Reliable, adopting Voltage protection system to avoid short circuit and auto off, charging power intelligently Size: 3.6 x 0.98 x 0.98 inch