Description
10 Pcs/set Aluminum Anti Rfid Reader Blocking Bank Credit Card Holder Protection New Rfid Card 100% brand new and high quality Size:9.1*6.3 cm Weight:0.02kg Material: Aluminum&Plastic Package includes:10 pcs/set Aluminum foil card sets are made of software electromagnetic shielding material — “aluminum foil” made of its function to eliminate electromagnetic interference (EMI) interference, shielding electromagnetic radiation on the IC card damage. At the same time with airtight, light, anti-static, anti-RF function. the main function: 1, to prevent strong electrostatic interference 2, to prevent strong electromagnetic field damage 3, to prevent others from malicious theft, stealing your personal information 4, to extend the effective use of smart cards