by Edited by Lisa A. Grimaldi | November 08, 2011

key chain with qr codeQRDevices laser-engraves QR codes onto a business card case, key chains or any other product and are compatible with any QR reader/scanner app. The QR codes link to a website, contact information or any message of up to about 3,000 characters, so if the company name or address changes, no problem; just update the link. Cost, $19.95 for key chain; bulk discounts available.