Featuresr qi wireless charging receiver specially designed for samsung galaxy s5r ultra thin design compact and lightweight without increasing additional weight of s5r adding wireless charging feature by piggybacking it on the battery of s5 works well with any qi enabled chargerr easy to use and cefccrohs certificatedr the receiver can be attached to the battery all the time and it won39t interrupt any normal use of s5r r how to use itr step 1 open the back cover of samsung gala