Features: 1. Automatic Steps Tracking Device: Designed for users who want to increase daily step counts. This phone swing device records steps automatically when in motion. 2. Compatible with Phones Up to 6.4 Inches: Fits most smartphones 6.4 inches and smaller. Works with various apps such as fitness trackers and step-counting applications. Can also function as a phone holder. 3. Safe and Quiet Operation: Constructed with high-quality metal that is smooth and burr-free, protecting both hands and devices. Operates with low noise, making it suitable for use at night without disturbing sleep. 4. Dual Phone Support: Both front and back sides of the device can hold smartphones simultaneously. 5. Easy Installation and Use: Powered by either USB charging or 4 AA batteries (batteries not included). 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. 2. Batteries are not included. 3. Do not insert batteries while using USB power. Specification: Type: Phone Swing Device Material: Metal + Plastic Power Supply: USB charging or 4 AA batteries (batteries not included) Compatible Phone Size: Recommended for phones up to 6.4 inches Dual Phone Version: Front and back both support phone placement Package List: 1 x Phone Swing Device 1 x Charging Cable