A. Fit for Phones Under 6.5inch: Suitable for pedometers and various smart phones under 6.5 inches. B. No Harm and No Noise: Made of smooth plastic material that does not scratch pedometers, smart phones, or other devices. Equipped with metal wheels on both sides, it does not produce annoying noise and will not affect sleep when shaking at night. It can hold 2 phones on the support plate with a rubber band at the same time to help users and their families earn steps together quietly. C. Support 2 Phones: Compared with other wigglers that only support 1 phone, this product allows users to share the joy of increasing steps with family and friends. D. Easy to Install & Basic Function: The phone swing needs to be powered by USB charging (cable included). Place the phone on the bracket frame, fix it with the rubber band, connect the power supply, and then push with a hand to make it swing and increase steps automatically. E. Multi-purpose: Can be used with apps on phones; swinging the phone helps earn steps to hatch pets more quickly. Features: Magnetic Type: Desk Holder Model Number: Mobile shaker Compatible: Universal Charger: Cable Charger Color: Black Material: Plastic Package Contents: 1 x Mobile Phone Shaker Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.