Tianyu is a brand born out of "Shanzhai", which was founded in 2002. Tianyu elderly button mobile phone is mainly cost-effective,The price is generally low,Among them, TianyuT2The most favored by consumers,The price of about 100 yuan includes large buttons、Large font、Large volume and other common functions of the old man's machine,Its shortcoming is that the battery life is relatively short。 If you have higher requirements for mobile phones, you can also choose products with higher positioning, and most of the key mobile phones for the elderly are between 100 yuan and 240 yuan.