[Fit for Phones Under 6.5 Inches]: Suitable for pedometers and various smartphones under 6.5 inches. [No Harm and No Noise]: Made of smooth plastic that won’t scratch pedometers, smartphones, or other devices. Dual-side metal wheels ensure quiet operation—no noise disturbance, even during nighttime use. The support plate with rubber band securely holds two phones simultaneously for silent step counting. [Supports Two Phones]: Unlike single-phone wiggler models, this device accommodates two phones at once, enabling shared step-tracking experiences. [Easy to Install & Basic Function]: Powered via included USB cable. Place your phone on the bracket, secure it with the rubber band, connect power, and activate manually—the device swings automatically to log steps. [Multi-Purpose Use]: Compatible with fitness apps; helps accelerate virtual pet hatching by simulating movement. Features: Magnetic Type: Desk Holder Model Number: Mobile Shaker Compatibility: Universal Charger: USB Cable Color: Black Material: Plastic Package Contents: 1 x Mobile Phone Shaker Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.