1. This visual ear spoon adopts two interface designs, compatible with Android and iOS devices, allowing you to understand the condition of your ears and display it clearly on your smartphone. 2. Universal for multiple devices, plug and play. 3. Nylon wire, soft and not easy to break. 4. Stainless steel spoon head, one-piece molding and not easy to break. 5. Lens diameter: 5.5mm 6. Lens focal length: 1.5-2.5cm 7. Horizontal viewing angle: 70 degrees 8. Cable length: 1 meter 9. Working voltage: DC3.3-5V 10. Working environment: -5~45 degrees Celsius
