TTfone TT880 Easy-to-Use, User-Friendly Mobile Phone for Seniors with Large Keypad and Emergency Button - It comes with USB C Mains Charger and Giffgaff Pay As You Go SIM Unlocked - simply insert your FREE Giffgaff SIM card or any Pay As You Go or contract SIM, (except the Three, ID and Smarty network)Please note TT880 takes a standard SIM card