Clips on and off your phone in seconds with no extra parts needed | With the 37mm thread clip, different camera lens filters fit for iphone, for Samsung, and other smartphones, | Removable circular polarizing lens reduces glare and shows colors more true to life | New design universal clip can attach any 37MM Thread Digital SLR Pro Lens on your mobile, | With close up lenses you can come closer to your object without actually coming closer to the object

The JTAG in-circuit debugging feature is available for the ESP32 platform. | It is easy to use and can be connected to a computer with only one USB cable. | The user board is required to place the Program (6-Pin) and JTAG (10-Pin) connectors in the corresponding order. | It has automatic download firmware, serial communication, JTAG online debugging and other functions. | These functions are available for the ESP8266 and ESP32 platforms.