1. Suitable for phones under 6.5 inches: Compatible with pedometers and various smart phones under 6.5 inches. 2. No harm and no noise: Made of smooth plastic material that does not scratch pedometers, smart phones and 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 you and your family earn steps together quietly. 3. Support 2 phones: Compared with other wigglers that only support 1 phone, you can share the joy of steps increasing with family and friends together. 4. Easy to install & basic function: The phone swing needs to be powered by USB charging (included). Place your phone on the bracket frame, fix it with a rubber band, connect the power supply and then push with your hand, and it will swing and increase steps automatically. 5. Multi-purpose: Can be used for apps on phones; swinging your phone helps earn steps to hatch your pet more quickly. 6. Features: Magnetic 7. Type: Desk Holder 8. Model Number: Mobile shaker 9. Compatible: Universal 10. Charger: Cable Charger 11. Color: Black 12. Material: Plastic 13. Package Contents: 1 x Mobile Phone Shaker. Only the above package content is included; other products are not included. 14. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.