[Fits Phones Under 6.5 Inch]: Compatible with various smartphones under 6.5 inches. [No Harm and No Noise]: Made of smooth plastic material that won't scratch your phone or devices. Features a quiet metal wheel on both sides to prevent noise disturbance, making it ideal for nighttime use without affecting sleep. The support plate with a rubber band can securely hold two phones at once, allowing you and your family to track steps quietly. [Supports 2 Phones]: Unlike other models that support only one phone, this device allows you to share step-tracking activities with family or friends. [Easy to Install & Basic Function]: Powered by USB (cable included). Simply place your phone on the bracket, secure it with the rubber band, connect to power, and gently push to start swinging. Automatically simulates movement to help increase step count. [Multipurpose Use]: Ideal for mobile apps that require motion, such as step-based pet hatching games. Features: Magnetic Type: Desk Holder Model Number: Mobile Shaker Compatibility: Universal Charger: Cable Charger Color: Black Material: Plastic Package Contents: 1 x Mobile Phone Shaker Note: Light reflection and screen differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.