High Capacity 20000mAh USB power bank, powerful with long operation time Two USB output interface: 1.0A interface and 2 A interface. Charging two your devices synchronously Super-fast charge output (5V / 2A total) through dual USB ports (5V / 2.1A and 5V / 1A) allow for simultaneous charging of your iPad, iPhone, Android, and more at high speed. Input: 5V/ 0.5-2.1A.

4 Charges for iPhone X: High capacity 12000mAh, it is powerful enough to charge the iPhone7 about 5 times. Pokemon Go drains your battery, imagining, you almost catch the elf and it suddenly out of power, how distressed it is! DULLA can provide an extra 30-hours of playing time. Safe to Charge: Intelligent power manage IC, supports over-charged, over- discharged, over-voltage, over-current and short circuit protection, perfectly protects your digital devices from charging accident. Super-fast charging: Dual USB(5V 2A & 5V 2A) Ports allow for charging of your devices simultaneously and quickly. Charge compatible devices up to 75% faster than standard chargers. Not match Samsung fast charging.