JAKCOM R3 Metallic Glass Smart Ring, Waterproof & Dustproof, Health Tracker, Wireless Sharing, Inner Perimeter: 66mm

1. Health module-remove infrared ray and adjust body function.
2. Simulate IC cards and ID carsd-you can use R3 as house door key, elevator card, parking card, attendance machine, payment cards, Pos machine, Supermarket card, Bus card, Metro card.
3. Program lock: Your mobile phone only opens for you.
4. Automatic running: Convenient and fast fashionable experience.
5. Start hide: The highest level personal privacy protection.
6. Business card share: Leave your contact information stylishly.
7. Whisper: Communication requires just one interaction.
8. Link share: Information consulting, enabled by one click.
9. Network disk sharing: Goods should be shared.
10. Full U.S. sizes, suitable for different finger size.
11. Applicable mobile phones with NFC function.
12. Kindly reminder: Do please make sure your phone supports NFC function.