All-in-one design Ear Cleaning Endoscope Set with Micro USB, USB2.0 and Type-C interfaces, Android 4.2+ System OTG can be used on your Android phone, Windows XP/Vista/ 7/8/10/MAC PC, Macbook OS computer, laptops etc. 6 adjustable LED lights and upgraded chip ensure safety when reaching the ear canal. Only 5.5mm in diameter. With excellent IP67 waterproof performance, it allows you to use it in a certain environment. Built-in anti-hot clip with good heat dissipation performance, never get too hot when working for a long time, giving you a comfortable and safe feeling when using. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.