Featuresr easy to user it is specially designed for samsung galaxy s5r ultrathin design compact and light weight without increasing additional weight of the s5r adding wireless charging feature by piggybacking it on the battery of s5 it works well with any qi enabled chargerr the receiver can be attached to the the battery all the time and it would not interrupt the normal use of the s5r r how to use it r step 1 open the back cover of the samsung galaxy s5r step 2 stick the receiver