This TTfone TT220 is a big button mobile phone designed for ease of use. It features large, clear, backlit buttons for dialing and texting, and an emergency assistance button that can alert up to five contacts. The phone has a dedicated keypad lock switch for preventing accidental calls and a USB charging cable for easy charging with any PC, laptop, or existing USB charger plug. It is unlocked and compatible with all 2G networks, but not with 3G-only networks. This returned resale item is from an open box and has been fully tested and is working, though it may have minor cosmetic imperfections.