Asunflower&reg; POWER BANK Full 3200mAh USB External Battery Backup Pack, Mobile Phone Power Pack, Dual-Port Shake-to-Wake High Capacity Portable Battery Charger (Dual 5V 3.4A USB Output) LED Screen with LED light for Apple iPhone 6 4.7" 3200mAh capacity doubles the battery life of an iPhone 6 4.7 Transfer data or charge both internal and external batteries through a micro USB cable (included). Rubber-feel outer layer provides a soft grip and protects from bumps and scratches. Precision placed cutouts keep buttons, camera, and speakers fully accessible. 4 LEDs on the front display the battery case's remaining power. High capacity rechargeable power bank is perfect for power-hungry smartphones, tablets and other devices - Reliable and stable lithium polymer core ensures longer battery life supplying more than 1000 charge cycles