The number of Chinese Internet users who use their mobile phones to get online hit 686 million by June 2014, up 5 percent from December, consultancy EnfoDesk said Monday in a statistical report.

Of all the 686 million mobile Internet users, 60.2% are male, said the statistical report on China's mobile Internet for the first half of 2014.

People under the age of 30 account for 61 percent while the ratio of the young and middle aged users is on the rise.

33.2 percent of male users have a high school education and 22.5 percent serve in the manufacturing or service industry. It was also discovered that 20.6 percent are without a stable income.

Instant messaging services are the most preferred among China's mobile Internet users, who spent 84.1 percent of their online time using them.

The latest data from EnfoDesk also shows that active WeChat users numbered at 359.87 million by May, finally surpassing QQ Mobile (307.33 million users). By the end of 2013, QQ Mobile enjoyed the highest number of active users among all mobile apps.