Case4fun [10 Pack] Topaz 512 Chip NFC tags - [Waterproof] Android Writeable Programmable Smart Tags Universal for NFC Enabled Device Case4fun NFC tags - Topaz 512 Chip - 10 pcs Waterproof NFC Tags fits for Samsung Galaxy S6 Edge Plus / S5 / S4, Google Nexus 4 / 5 / 7 2 (2013) 9 / 10, HTC One M7 / M8 / M9 / X / First / Droid / DNA / Flex, Motorola X, Nokia Lumia 1020 / 820 / 930 / 735; Sony Xperia Z3 Compact; Huawei Honor 6 and all other NFC Enabled Phones (Topaz 512) Memory Size: 512 bytes; Usable Memory Size: 480 bytes for Programmable Read/Write Rewrite Endurance: 100,000+ cycles; Data Retention: 10+ years Operating Range &lt; 2cm (depends on NFC device); Operating Frequency: 13.56 MHz; Operating Temperature: -25+55; Data Transfer: 106kbit/s Stylish design, PVC construction, Colorful Chips, the most durable Programmable Waterproof NFC Tags.