Details：
<br />Name; smart ring
<br />Material: Stainless steel 
<br />Color: silver, black (chip part position) 
<br />Process: polishing and so on 
<br />Packing: opp 
<br />Bore diameter dimensions: 18.2 
<br />Chip: NFC chip 
<br />Compatibility: Supports NFC phones and other devices 
<br />Working frequency band: 13.56MHZ 
<br />Storage space: 144BYTES 
<br />Transmission rate: 106kb / s 
<br />Uses: set to open the smart lock, card recharge, smart phone unlock, phone important file lock, a transfer file. 
<br />Features: No charge, programmable read-only lock function, 7-byte serial number clone protection function. <p> <b><b><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-11-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-12-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-13-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-14-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-15-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-16-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-17-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/5a531f50f707ed3e6e3c04c2-18-orgin.jpg></b></b></p>