Scan the QR code through the manual to download the APP: Bebird app from Google Play is not compatible with this model, the Bebird K10. Please scan the QR code through the manual to download the APP. Please don’t use Google to download!!! Please believe that we are professional and it is safe to download via QR code. Use it without worrying about the problem that the device cannot connect to WiFi. Ear scope has 360wide angle professional grade lens, 1080P full HD resolution can provide superior clear image Constant Temperature: 6 strong lights can help you light up the canal and see the dark place clearly. And the build-in system will keep the otoscope in constant temperature that will stay safe and comfortable to the user. Children will not resist of ear cleaning. It is the thinnest lens on Amazon that can reach deep into the ear canal up to the eardrum easily and comfortably, suitable for different size of ear. Easy to Use: Ear Otoscope has three-axis gyroscope, which means you can use it in any angle, and the image will not horrible change. The Humane design will help you use the ear scope easily. every one can use the ear scope without trouble. Ideal for tracking infections or send it to the doctor for guidance. The Newest Type Ear Endoscope and Compatibility: This Ear Endoscope comes with built-in high quality rechargeable lithium-ion battery which is no need to charge frequently. One time charging can be used for 30 days. This otoscope compatible with Android smartphone tablet and Windows. (Note: Can’t compatible with IOS).