Featuresr it is specially designed for samsung galaxy note 3r ultrathin design compact and lightweight without increasing additional weight of the note 3r adding wireless charging feature by piggybacking it on the battery of note 3 it works well with any qi enabled chargerr support nfc and the sleepwake up functionr easy to user the receiver can be attached to the the battery all the time and it would not interrupt the normal use of the note 3r r how to user step 1 open the back cov