Y1s features a 6.22-inch Halo FullView™ Display with an 88.6% screen-to-body ratio, providing a pleasant view for both videos and games. Plus, it can filter out harmful blue light to prevent eye strain. With elegant 3D body curves, Y1s is sculpted to fit perfectly in your palm for a comfortable grip. At just 161g and 8.28mm thick, the slim body design makes it easy to operate with one hand. A 4,030mAh battery, supported by exclusive smart power management, keeps Y1s going longer for a more enjoyable gaming and video experience. Battery worries are a thing of the past. 32GB of internal ROM gives you ample freedom to store more photos, files and applications. Y1s can also expand to up to 256GB with an additional SD card, to enrich your world with more wonders.