Product Description: "The TTfone TT660 Flip Big Button Mobile is the perfect phone for seniors. With its folding design, large easy-to-press buttons, and emergency assistance feature, it provides peace of mind and ease of use. The phone comes with a convenient USB C Dock Charger for quick and hassle-free charging. The TTfone TT660 is unlocked, allowing you to simply insert your existing SIM card or any Pay As You Go or contract SIM (excluding the Three, ID and Smarty network). Please note that the TT660 requires a Nano SIM card for operation. Key Features: - Folding design for portability and protection - Large, easy-to-press buttons for comfortable use - Emergency assistance feature for added safety - USB C Dock Charger for convenient and fast charging Specifications: - SIM card: Nano SIM - Compatibility: Works with most networks (excluding Three, ID and Smarty) - Dock Charger: USB C Make staying connected easy and convenient with the TTfone TT660 Flip Big Button Mobile. Order yours now and enjoy all the benefits of this user-friendly phone." Specifications: - Compatibility: Works with most networks (excluding Three, ID and Smarty) - SIM card: Nano SIM - Dock Charger: USB C * Unlocked - use any SIM card (excluding Three, ID and Smarty network) * Folding design for portability and protection * Large, easy-to-press buttons for comfortable use * Emergency assistance feature for added safety * USB C Dock Charger for convenient and fast charging