【Smartphone Compatible】 Compatible with almost all smartphones (6.2-9cm wide) including all iPhones (including "MAX"), Galaxy, Android, and various others. The swing smartphone supports thicknesses up to approximately 12mm. The holder size is adjustable; if your smartphone or case is thick, please remove the case before use. ★Hatch eggs quickly★ in location-based games like Dragon Quest Walk! 【Silent Design】 The silent design allows you to use it without worry at night. To improve the noise issues of previous products, the stand method of the device has been changed, and bearings that do not produce unpleasant sounds are adopted. The swing smartphone has no noise and can be used comfortably in places such as offices and bedrooms. 【High-Speed Stainless Steel Bearing】 The latest swing smartphone features an enhanced high-speed rotating bearing. Precision bearings support the rotational swing motion, eliminating noise during use and increasing durability. During event periods, it is important to accumulate steps, so using the swing can significantly save time. As a USB-powered automatic hatching device, you can efficiently advance your game. 【Automatically Earn Steps】 Efficiently complete step missions and walk modes. Automate the tedious parts of fun games with automatic walking! (Adventure Mode at any time), earn steps in apps like Dragon Quest Walk, Walkr, and Google Fit. It swings widely from side to side, counting steps. Average 10,000 steps per hour. 【Notes】 After attaching the power cable to the smartphone swinger, turn on the switch. Give the mobile phone an initial swinging force. After that, the device will run automatically, and there is no need to apply force artificially. (The device will not automatically operate after connecting it to the power supply for the first time.)