Built-in lightning & micro USB cables: both the built-in micro-USB cable and built-in Apple MFi certified Lightning cable are neatly tucked away, ready to use at any situation. More power on the go: rated at 4000mAh, this slim power bank adopts premium lithium polymer battery which is more stable and safe than Li-ion battery. Packing Gift card box or simple white box Custom design box as per order demands. Export packing: gift box-Inner carton-export carton Delivery Shipping methods: DHL, UPS, FedEx Delivery time: 7-15 days after payment confirmed