The TTfone Mercury 2 is a great entry-level mobile phone that goes right back to basics, with wonderful features like Big Buttons and an emergency SOS button Vodafone Pay as you Go Prepaid Sim Included Warehouse Deals - returned open box phones from TTfone - Grab a bargain All phones are fully tested and are working Phones may come with small cosmetic imperfections Unlocked - simply insert your existing SIM card or any Pay As You Go or contract SIM (except the Three, ID and Smarty network)Please note that the dock charger is sold separately