The utility model relates to a three in one miniature USB endoscope, which comprises a USB connecting line, an endoscope lens, a USB interface and a control box. One end of the USB connecting line is a flexible hard wire, and the rest is a flexible wire. The endoscope lens is arranged at the free end of the flexible hard wire, the USB interface is arranged at the free end of the flexible wire, and the control box is arranged on the flexible wire, Close to the USB interface. The utility model has simple structure, and the USB interface is compatible with various USB interfaces connected with computers, tablets or mobile phones as intelligent displays. It solves a series of problems, such as too narrow and tortuous observation objects, the inconvenience that the micro USB endoscope lens can not be close to clear observation and hand-held endoscope lens observation, and the influence of hand shaking on photographing and camera shooting
A three in one micro USB endoscope, which is characterized in that it comprises a USB connection line, an endoscope lens, a USB interface and a control box. One end of the USB connection line is a flexible hard line, and the rest is a flexible line. The endoscope lens is arranged at the free end of the flexible hard line, the USB interface is arranged at the free end of the flexible line, and the control box is arranged on the flexible line, Close to the USB interface; The endoscope lens is tubular and is provided with LED lamp, camera and side mirror. The LED lamp and camera are arranged at the front end of the endoscope lens. The side mirror is tubular and has an opening in the middle of the tube. An inclined mirror is fixedly arranged at the opening, and one end of the side mirror is detachably connected to the front end of the endoscope lens; The USB interface comprises a shell and a conversion circuit board, the conversion circuit board is arranged in the shell, and the outer periphery of the shell is provided with a type-C interface, a standard USB interface and a microusb interface respectively connected with the conversion circuit board; The control box comprises a shell and a control circuit board, the shell is provided with a control circuit board, which is electrically connected with the endoscope lens and the USB interface, and the shell is provided with a camera on key, a power on key and an LED lamp adjustment key.