Versatile Compatibility: Supports a wide phone size range (62-105 mm), ensuring compatibility with various smartphones. Precise Focusing: Spring-loaded base helps prevent buttons from sticking, allowing for precise focusing and optimal viewing. Eco-Friendly Materials: Made from plastic, rubber, and metal, this durable adapter is designed for long-term use. Secure Locking Mechanism: Elastic base quickly and securely holds phones in place, providing stability during use. Easy to Use: Long handle design enhances usability and helps prevent button interference. Color: Black Material: Plastic Package Contents: 1 set Telescope Microscope Note: Light reflection and differences in display screens may cause slight variations in color. Measurement may vary by +/- 1-3 cm.