Features: 1.Versatile, it can check the ear canal, as well as the eardrum, mouth, gums, throat, nose, scalp and other body parts. 2.The high-definition camera allows users to capture high-definition visual images in areas that are difficult to access in width or depth. 3.Applicable to for Windows PC, and suitable for Android system with OTG function. 4.Earpick is longer, thinner and easier to use. Special focus, the ultra-small distance can be seen more clearly. 5.Equipped with 6 adjustable LEDs, it greatly reduces overexposed images and displays distortion-free color in dark or low light conditions. specification:Lens: Approx. 5.5mm / 0.2in Pixel: 0.3MP Focusing Distance: Approx. 1.5cm / 0.6in Material: Metal Pen Length: About 15cm / 5.9in Color: Black For Windows PC, for Android with OTG PackageList:1 x Mobile Phone Endoscope 1 x Earpick 1 x Protective Cover 1 x Camera Cover 1 x Ring Earplugs 1 x Cleaning Cloth 1 x Dental Mirror 1 x Instruction Manual NoteApplicable to for android system with OTG function, some mobile phones have OTG function but need to be opened in the settings. At present, most mainstream mobile phones support OTG function. If you really don't know if your mobile phone has this function, you can check it online.