This TTfone TT660 mobile phone is a great choice for anyone looking for a reliable and user-friendly device. With its flip style design, big buttons and SOS button feature, it is perfect for those who may need a little extra help using their phone. The phone is also z foldable for easy storage and has a 14 day standby time. The TT660 model has a 2.4 inch colour screen, 512 MB storage capacity and a microSD memory card slot for additional storage. It is dual band unlocked and has a ringtone volume of 113 dB for those who may have difficulty hearing. The phone also has an FM radio and is sim free. Overall, this TTfone TT660 mobile phone is a great value for money and perfect for those who need a reliable and easy-to-use device.