Generic Ntag215 Black Ceramic Smart Ring Compatible with NFC Enabled Phones and Devices Programmable 504 Bytes for Bussiness Card (Black, US#9)

⭐ Note ⭐⚫ If you don't know which ring size to choose, you can repeatedly measure at the bottom of your fingers to obtain the maximum value (not recommended based on weight).⚫ The raw material used in this ring is zirconia, so you don't have to worry about the ring fading (because its color is very natural).⚫ Although this ring has waterproof and anti drop instructions, try not to let it soak in water for a long time and frequently bump it.⭐ Product parameters ⭐【Product Name 】 Ntag215 Smart Ring【 Chip】Original Ntag215【 Frequency 】13.56mHz【 Material 】Zirconia【 Color 】Black, white【 Size 】6 #, 7 #, 8 #, 9 #, 10 #, 11 #, 12#【 Rewriting Times 】>10000 times【 Storage time 】10 years【 Function 】Smart home, WIFI and Bluetooth sharing, fast payment, electronic business card, etc

• 【Genuine Chip】NTAG215 chip，504 bytes of memory, password protected authentication, high scan strength, easy to program. The 215 chip has a read-write lock function, which can be edited repeatedly or read-only. Tags cannot be edited or reset once they are set as read-only.
• 【 Ring Material 】 The shell of the Ntag215 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.
• 【 Rring size】 is determined by American standards: 6 #, 7 #, 8 #, 9 #, 10 #, 11 #, 12 #. Allowing you more choices without worrying about not having a ring that fits your size.
• 【 Ring Function 】 The Ntag215 ring supports NFC writing programs for Android systems and also supports shortcut commands for IOS systems. It can achieve functions such as smart home, WIFI and Bluetooth sharing, fast payment, and electronic business cards.
• 【 Product Advantage 】 The ring is made of zirconia ceramic and will not be damaged even if dropped from a height of 1 meter. You can wear it for outdoor activities such as running, swimming, etc.