Exclusive PowerIQ Technology: Detects your device to deliver its fastest possible charge speed up to 2 amps (four times faster than a computer USB port). Add almost two full charges to iOS and one full charge for Android devices. This includes iOS and Android tablets. Incredibly Compact: The size of a small candy bar, it fits perfectly in your pocket. Recharges in 2.5 hours with a 2A wall charger (not included). UL2056 Certified. Advanced Safety: Anker's Multi Protect safety system and high-quality LG Li-Ion battery cells ensure complete protection for you and your devices . What's inside the box: Anker Astro E1 Portable Charger External Battery Power Bank, Micro USB Cable and travel pouch. Gift box dimensions: 4.25L 4.2H 1.9W