Sharp Aquos Crystal Case, MPERO Fusion M Series Protective Case for Sharp Aquos Crystal 306SH - Black Two-layered Silicone/Polycarbonate Shock Absorbing Protection. Flexible, Durable and Easy to Install. Precise cutouts for all given ports thus keeping device functionality to a maximum. Raised edges for screen protection and covered buttons providing additional protection. Unique mesh design for added style and texture!