MELASTA Smart 10000mAh 2.1A (Fast Charging)/ 1A Output 1.5A Input Dual USB Emergency Spark TECH Portable Power Bank External Backup Charger for iPhone 6 Plus 5S 4S Samsung Galaxy S5 note5 note3 HTC UNIQUE DEDIGN: super compact size, classic white color, fashion gridding design, it is more eye catching than other product! AUTO-DETECT TECH: when you device is full charged , the power bank will come to a auto turn off mode, product your product from overcharge. FAST CHARGE & DUAL USB: 2.1A output port for fastest charging ,twice as fast than 1A output. 1A output port provided relatively stable voltage. QUALITY GUARANTEE: exclusive SPARK TECH + CE Certified ,ensure the quality of product. AFTER-SALE WARRANTY: all Melasta branded items carry a 1 year warranty against manufacturer defects.