[Fits Phones Under 6.5 Inch]: Compatible with pedometers and various smartphones under 6.5 inches. [No Harm and No Noise]: Made of plastic material that won't scratch pedometers, smartphones, or your devices. Features a quiet metal wheel design on both sides to eliminate noise, ensuring undisturbed sleep even during nighttime operation. The support plate with rubber band can securely hold two phones simultaneously, allowing you and another user to quietly increase step counts. [Supports 2 Phones]: Unlike other single-phone wigglers, this device supports two phones at once, enabling shared use and simultaneous step tracking. [Easy to Install & Basic Function]: The phone swing is powered via USB (cable included). Simply place your phone on the bracket, secure it with the rubber band, connect to power, and manually start the swinging motion. It will then automatically swing to help increase step count. [Multipurpose Use]: Useful for mobile apps that require step counting, such as virtual pet hatching games, by simulating natural phone movement. 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 display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.