1. All multi-coated optical system, capable of presenting high-definition detailed images. 2. Lightweight and easy to use, no application required. 3. Wide compatibility: F1.8 design, the universal clip is suitable for 98% of mobile phones. 4. Can be used for laboratory work, STEM applications, jewelry appraisal, health diagnosis, art research, outdoor exploration, etc. 5. Compatible with single-camera and dual-camera mobile phones. Optical distortion: Less than 4.5% Definition of standard focusing distance: 10 - 11.4 mm (the optimal distance is 10.95 mm from the first lens of the lens). Definition of focusing distance based on product shape: 3.6 - 5 mm (the optimal distance is 4.57 mm from the outer surface of the product). Number of lenses: 4 groups with a total of 4 pieces. Magnification: Approximately 100 times. Lens: F1.8 Lens coating: Multi-coated Clamping distance: Approximately 40 mm from the edge of the mobile phone. Battery capacity: 30 mAh Charging interface: USB LED brightness: 6 LED light guides, single brightness Battery life: Approximately 100 minutes, flashing when the battery is exhausted. Color temperature of the lamp beads: 6000 - 6500K Charging indicator light: The red light is on when charging, and the green light is on when fully charged. Charging time: Approximately 90 minutes Color: Black Material: PC Dimensions: 8.6 cm × 8.6 cm × 3.0 cm Contents of the package: 1 mobile phone lens 1 USB cable 1 cleaning cloth Only the above package contents are included, no other products are included. Note: Light and different displays may cause slight differences between the color of the item and the actual object. The allowable measurement error is ±1 - 3 cm.