The Jelly 2 is a credit card sized Android smartphone with 4G support | Stuff
RED SHIELD Universal Portable Phone Stand, Flexible Foldable Credit Card Size. Perfect for Viewing Movies & Videos on Your Smartphone in Landscape, Works as Earphone Earbud Cord Wrap Organizer Yellow: Amazon.co.uk: Electronics
What SIM card do you need? Nano, micro, or standard? [device guide]
M5 Credit Card Size Mobile Phone
Credit card-sized phone is a backup when your battery runs out - Springwise
What happened to the credit card sized cell phone? - Quora
Mobile Phone Ultra Thin Credit Card Size Micro Quad Band 2G Novelty Cellphone: Amazon.co.uk: Electronics & Photo