When designing the ZenFone 2, we started with you in mind. As a result, ZenFone 2 has a highly-intuitive control layout, incorporating a physical rear key as part of the new Ergonomic Arc design. Snapping selfies, adjusting the volume and retracing your steps now feels completely natural, regardless of whether you are right- or left-handed. The elegant new shape feels secure and extremely comfortable to hold.