|Add flair to your outfit and express your message digitally. Personalize the 2D barcode with plain text, website URL, email address, phone number, or SMS text message. The square barcodes are made using QR Code style encryption, so the tattoos can be read with a camera phone. These buttons measure 2" x 2" square and are equipped with durable steel backings and pin attachments. Recommended mobile barcode scanning applications Stefan Hafeneger and Google's ZXing.
Works with the following devices: Apple iPhone 2G, Apple iPhone 3G, T-Mobile G1, Sony Ericsson K510, K550, K610, K630, K750, K790, K800, K810, K850, T650i, V640, W580, W610, W660, W710, W810, W830, W850, W880, W910, Z610, Z750, Nokia 6131, N73, N80, N91, 6300, E51, E65, E70, N95, 6500, 7500, 7900, 6260, 6110, Samsung U600, Amoi WP-S1, Motorola E1000.