LinearFlux External Battery Pack for Micro-USB Devices - Retail Packaging - Gold/Black 3.0 amps/3000mAh capacity Advanced Lithium Technology: 3000mAh battery Compatible with most devices (including Beats by Dre, Jam Box by Jawbone and more). Hyper Port : Specifically designed for the Apple Hyper Charging Watch. The additional USB type-A port That Allows you to share the power Hyper Charging with friends. All-inclusive cable system ( connector to charge device and flip-out USB for charging its own internal battery) Pad (included) keeps the Lithium Card virtually stuck to your device