BMR 4000mAh Ultra Slim Lithium Polymer Pocket Size Portable Power Bank (External Battery Charger) with 2.1A Output for iPhone 6, 6S, 5S, 5C, 5, 4S, iPad Air, mini, Android, Samsung Galaxy S5, S4, S3, Note 3, Nexus 4, HTC One, One 2 (M8), Blackberry,