Docooler Qi Wireless Charger Receiver Transmitter Pad for Samsung Galaxy S3 I9300 I9305 LTE (White) Ultrathin design, compact and light weight without increasing additional weight of the S3 Adding wireless charging feature by piggybacking it on the battery of S3, it works well with any Qi-enabled charger Easy to use The receiver can be attached to the the battery all the time, and it would not interrupt the normal use of the S3 It is specially designed for Samsung Galaxy S3