Special Buy Twin Pack Powerocks Super Magicstick 2800mAh Limited Edition Red & Silver Two-Pack - Li-Ion Portable Backup Battery Charger Large capacity 2800mAh portable battery keeps your cell phone or smartphone powered on-the-go. Smart, fashionable and convenient for traveling Compatible with cell phones, smartphones and media players 1 USB port with 5V / 1A output for rapid charging Recharge via the included Micro-USB charging cable (Apple 30pin & Lightning Cords Not Included)