VORSON Bookmark-2500 Power Bank 2500mAh USB 1A Output Portable Charger The appearance of fashion with high capacity of battery pack for iPhone 4S 5S 5C, iPad, Nexus 7 10, Galaxy S4 S3 Tab 3 2,Andorid Smartphone, 5V Tablets, Bluetooth Speakers headset, Google Glass, Gopro etc.Black