1.Friendly human-computer interface, can support English, French and any other special language 2.Support all kinds of phonebook and notebook 3.Talk time is up to 3 hours and the standby time is up to 72 hours 4.High reliability, embedded industry module, industry grade design , high ability of anti-interference ply to GSM standard, have been mass used in china, Africa, India, and south Africa, support GSM900/1800MHZ/1900MHz network