【First 4K WiFi Microscope】As an expert in digital microscopes for decades, we are pleased to announce that the world's first 4K 3840x2160P wireless home microscope has come out and debuted on the Amazon platform only. | 【Broad Compatibility】Except 4K resolution, we also overcome the insurmountable problem of compatibility to make it work with any smart devices. Be compatible with iOS iPhone, iPad, Android Phones and tablets, iMac Mac mini/Pro MacBook Air/Pro, Windows XP 7 8 10 11 and even Linux, Chrome OS system. Work wirelessly on cellphone and wire-connect to work on PC. 【If your phone screen does not support 4K(3840x2160P), it will only display the highest pixel supported by the screen. 】 | 【Wide Angle + Long Focal Length】We have added several practical features like wide angle and long focal length to suit the needs of different usage demands. For coin collections, the wide angle allows to easily obtain the whole object in screen. For electric welding, the telephoto can keep the microscope away from the circuit board to free up more space for electric welding. | 【Home Usage Microscope】We recommend that every family is equipped with such a microscope as it is good for all ages people. It is good for collectors to identify coins, cashes, stamps and diamonds, as well as worker to weld circuit boards and plant jobs. Besides, it is good for students and teacher for their nature course. It is also helpful for inspections of skin, pores and scalp. | 【Reliable Service】 As a professional microscope producer and seller, Ninyoon has established timely communication and reliable after-sales service. Any quality issues will only be replaced by new replacement. | 【Note】 Zoom +/- buttons work for iPhone/iPad/Android but don't work for Windows/Mac/Chrome/Linux.