Awe-tek 12000mah Power Bank Dual-port USB Charger External Battery Charger Backup Charger for Smart Phones,tablets ,Mp3,mp4 and Other Digital Services-blue High Capacity 12000mAhlong life,reliable use up to 500+ battery charge cycles Perfect for long road trips, flights and daily use,convenient to carry and durable Super protection: overshoot, over-discharge, short circuit, over voltage, leakage, and many other protective functions Double USB output, charging two devices at the same time LED indication for Battery Status