Features: 1. Automatic Steps Tracking Device: Designed for individuals looking to increase daily activity. This device simulates movement to help record steps when used with compatible fitness apps. 2. Fits Phones Up to 6.7 Inches: Compatible with most smartphones 6.7 inches and smaller. Works with various apps such as smart bracelet apps and step-tracking applications. Can also function as a phone holder. 3. Safe and Quiet Operation: Constructed with a high-quality metal bracket that is smooth and burr-free, protecting both hands and devices. Operates with low noise, making it suitable for use without causing disturbance. 4. Dual Phone Support: The front and back sides of the device can each hold one smartphone, allowing two phones to be used simultaneously. 5. Easy to Use and Power: Powered via USB cable for convenient charging and operation. Notice: 1. Actual color may vary slightly due to differences in monitor displays and lighting conditions. Minor measurement deviations may occur due to manual measurement. Specification: Type: Dual Phone Shaker Operating Principle: Electromagnetic mechanism Material: Plastic + Magnets Compatible Phone Size: Up to 6.7 inches Power Supply: USB Package Includes: 1 x Phone Shaker, 1 x Charging Cable