The KFC Tray Typer is an ultra-thin, water- resistant, rechargeable wireless keyboard with built-in Bluetooth. It is a durable 4mm thick paper tray that transforms into a rechargeable wireless keyboard when customer connected with smartphone via Bluetooth. It is a high-tech replacement for the usual grease-absorbing paper slip that's served up on fast food trays. It allows consumers to type on their smartphone or other electronic device whilst eating. It helps in keeping their devices grease free. it's durable enough to get wiped down and re-used This reusable keyboard is only a hair thicker than standard paper tray inserts. It is created as a promotional item for KFC in a German promotional campaign. In 2013, a UK-based electronics company named CSR showed off a Bluetooth keyboard that was just as thin and flexible as the Tray Typer.