Anneau en céramique RFID M1 Classic 1K S50 13,56 MHz pour serrure d'armoire ou cartes de contrôle d'accès

" 【13.56mHz Chip】The smart ring is equipped with a M1 S50 chip that supports a frequency of 13.56mHz, which can meet your needs in security access control, elevators, and cabinet locks. 【 Ring Material 】 The shell of the smart ring is made of zirconia gemstones. We use a pure manual polishing, polishing, and chamfering process to make the surface of this ring smooth and not easy to leave fingerprints. From a visual and tactile perspective, it will not make people feel that it is too bulky and thick. You can take it to shower and wash your hands. 【 Ring Size 】Sizes determined according to American standards:7 #, 8 #, 9 #, 10 #, 11 #, 12 #. Allowing you more choices without worrying about not having a ring that fits your size. 【 Ring Function 】The M1 S50 chip requires authorization to be used,and its UID cannot be changed.But sectors 1-15 can be programmed and formatted. 【 Product Advantages 】 The ring made of zirconia all ceramic will not be damaged even when dropped at a height of 1 meter. It is waterproof, not easy to stick dust, and can be wiped clean with a clean cloth. You can wear it for outdoor activities such as running, swimming, etc. "