EasyAcc&reg; 10000mAh Dual USB 3.1A Output Portable Power Bank Pack External Battery Charger for iPhone 4S 5S 5C, iPad, Samsung Galaxy S4 S3 Tab 3 2, Nexus 7 10, Andorid Smartphones, 5V Tablets, Bluetooth Speakers headset, Google Glass, Gopro etc.[Output: 5V 2A & 1A; Black]