[Suitable for mobile phones under 7.2 inches]: Suitable for Poke Ball Plus, pedometer, various smart phones under 7.2 inches. [No harm, no noise] plastic material will not scratch Poke Ball Plus, pedometer, smartphone and your valuable equipment. The double-sided metal wheel has a unique design, which will not be by noise and will not affect the shaking and sleeping at night. It can place 2 mobile phones on the support plate at the same time, helping you run quietly with your family. [Support 2 mobile phones]: Compared with other Wigglers that only support one mobile phone, you can share the of growing up with your family and friends. [Easy to install and basic functions]: The pedometer needs to be powered by USB charging (included), place the phone on the frame of the stand, fix it with a rubber band, connect the power supply, and then push it by hand, it will automatically swing and increase the number of steps. The ball can automatically shake, and you get 7000 steps per hour! (Test model: Elf Ball Plus) [Multi-]: Application 1: Clamp the elf ball and shake the cup to easily obtain each reward step, and you can easily replace it without going out to play. Application 2: Can be used in the "Pet Elf Go" APP on the mobile phone, shake the mobile phone and get the number of steps to incubate Pet Elf faster. Application 3: When you want to watch videos / , it can also be used as a mobile phone stand. Function: Increase step counter Colour: black Material: plastic Size: 16 * 14 * 5cm Package Contents: 1 x Swing Wiggler Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.