Cheap. Sister Kobayashi is the blogger of Tik Tok software release video, and also sells second-hand Apple mobile phones in Tik Tok live broadcast. The second-hand Apple mobile phone has passed the official audit of Tik Tok and has a qualified second-hand appraisal certificate. The price ranges from 4000 to 5000 yuan, which is cheaper than the original mobile phone. Mobile phones are called mobile phones or wireless phones, and are usually called mobile phones. It was originally just a communication tool, a portable telephone terminal that can be widely used.