A man makes a call with a telephone receiver connected to his mobile phone in downtown Nanjing, capital of Jiangsu province, on Monday. The man surnamed Li bought the handset online for about 60 yuan ($9) because he thought it was trendy and would reduce radiation when making a call.[Photo/China Daily]

A man makes a call with a telephone receiver connected to his mobile phone in downtown Nanjing, capital of Jiangsu province, on Monday. The man surnamed Li bought the handset online for about 60 yuan ($9) because he thought it was trendy and would reduce radiation when making a call.[Photo/China Daily]