Digital and Electronic Device Design Rotator Multifunctional Mobile Phone Holder by Tianyang Yuan Rotator is a multifunctional mobile phone holder that combines wireless charging with a Bluetooth speaker. The holder offers two charging positions: flat charging, and charging at an angle of 60 degrees that holds the phone upright for watching videos. Two support bars act as controls, so the speaker volume and the phone screen brightness can be adjusted. The body is made of an aluminium case with an acrylic panel, shaped by CNC machining and metal 3D printing. Rotator measures 90 by 90 by 100 millimetres.