ASTRO members are ready to unravel their charms through their 8th mini-album 'Switch On.'

The boy group has been preparing for the comeback as they released various individual teasers and mood samplers of each member. Then on July 21 at midnight KST, ASTRO released the group teaser image along with the group mood sampler.

In the latest teaser material, the members exude their natural charms as they pose in the classic white t-shirt and jeans.

ASTRO will be dropping their 8th mini-album 'Switch On' on August 2 at 6 PM KST.