NFC keychains are able to be made tap only or with a QR code for camera scanning. 
Easy to use: NFC business cards are easy to use, as you can simply tap your keychain on the back of a recipient's phone to share your information.  
Reusable and up-to-date: You can update the information on your NFC keychain at any time.  
Durable & Convenient : NFC keychains made with bezel charms and can be attached to any lanyard, which makes them durable and more convenient than business cards.  
Branding opportunity: NFC keychains can help you present yourself as a leader in technology and innovation.