Featuresr qi wireless charging back cover is specially designed for samsung galaxy s3r ultra thin back cover easy to assemble and disassembler easy wireless charging without constantly plugging unplugging the charging cabler it is compatible with any qi enabled charging transmitter padr all function buttons and ports are easily accessibler perfectly protect your beloved phoner r how to use charging for samsung galaxy s3r step1 remove the original s3 back coverr step2 attach the wi