What you see is a functional and excellent 5000mAh 5V Back Clip Power Pack with Leather Cover for SONY Xperia Z Ultra. It features unique， fashionable and high-class design. To charge the portable battery， simply plug in the USB interface into the portable battery. With slim and lightweight design， it is portable to carry. Besides， it is also a good leather case to protect your phone from scratches and other minor damages. A perfect emergency backup when the internal battery of your device is drained on the go. This battery and case is ideal for long distance travel or business trip.                                    Features            Functional， it is not only a backup battery but also a leather caseLightweight size， portable to carrySimple to use for good designSupply instant power to charge your device anytime， anywhereIdeal for long distance travel or business tripSpecially designed for SONY Xperia Z Ultra                                                             Specifications             Battery Type     Li-polymer Battery    <br> Capacity     5000mAh    <br> Input Voltage     DC 5V    <br> Input Current     500mA    <br> Output Voltage     DC 5V    <br> Output Current     800mA    <br> Dimensions     (7.68 x 3.94 x 0.79)" / (19.5 x 10 x 2)cm (L x W x H)    <br> Color     White    <br> Weight     8.78 oz / 249 g    <br> Compatible with     SONY Xperia Z Ultra      <br>                                                             Package Includes            1 x Back Clip Power Pack with Leather Cover<br>