2x Borsa Faraday Custodia di Sicurezza-Cellulare Antitracciamento/Spiaggio GPS RFID Schermatura
B. Anti-degaussing, it avoids magnetism loss, information leakage and RFID snooping data stealing for the cards. f. it is real 5G shielding fabric. It is firm.It is waterproof fabric ! Shielding: RF & LF electric fields.