Set your multimeter to DC volts. Probe between VCC and GND on the clip. Must read 3.3V. Probe MOSI and GND – should also be 3.3V. If 5V, do not proceed.
But what exactly is it? Is it a standard USB flash drive for storing photos and documents? Despite the misleading term "drive," the CH341 3.1 is not a storage device. It is a multi-purpose USB interface adapter built around the WCH (Nanjing Qinheng Microelectronics) CH341A or CH341B chip. usb drive ch341 3 1
CH341 3.1, SOIC8 clip, computer with NeoProgrammer. Set your multimeter to DC volts