Brand new and original Lenovo''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s latest Qitian M series switch cord button. ,easy to understand. If the user does not understand. Can tell the customer. Teach users to installThe black clip is sold separately for 15 yuan each, and the picture is an effect picture for easy shooting. Understand