SHANSHUI Wallet Case Compatible with Samsung Galaxy S7, Detachable 2 in1 RFID Blocking Holster PU Leather Case with Cards Holders and Cash Pocket (S7-Black) 1.RFID is also called radio frequency identification technology which is a kind of communication technology,through radio singals to identify specific targets an to read and write data.Do you know most of ID CARD,BANK CARD and PASSPORT CARD are setin the RFID chipset?The RFID reader and NFC can read them with in 10 feets(about 3m)no need touching.This product is helping you to keep safe informations. 2.PC+TPU case protect your cellphone and fit with all Buttons Perfectly,and Good Back Magnet easy to Attach on the Iiron Staffs.Such as Refrigerator and Steel Holder. 3.Crazy Horse PU Leather,Beautiful and Durable Stitching Technology Makes the Case be Classic. 4. Two in One Detachable Wallet Case ONLY for Sumsung Galaxy S7.NOT FOR Galaxy S7 Edge.with Three Card Slots and One Cash Pocket 5. ONLY fit for Samsung Galaxy S7,NOT for S7 edge.Want Samsung Galaxy S7 edge, please search by ASIN: B01G9ZN7MW. Our Wallet Case for Sumsung Galaxy S9, please search by ASIN: B07CV7KGGR. Our Wallet Case for Sumsung Galaxy S9 Plus, please search by ASIN: B07CV8MWG3.