1. Support the PXT graphical programming interface developed by 2. Support , MACOS, IOS, Android and other operating systems 3. The programming environment is based on WEB , no need to download additional compilers 4. Program the computer through USB programming and emulation 5. The mobile terminal wirelessly writes and emulates the program through Bluetooth Supports a variety of mainstream programming languages including JAVASRIPT, PYTHON, MBED C Applicable population: primary school, junior middle school and senior high school colour: black Material: PCB + Acrylic Package Contents: 3 x Development board (random colors, don't accept the specified color) 3 x Battery box (with 2 x AAA batteries) 3 x USB cable (random colors, don't accept the specified color) 3 x Acrylic Protective Shell 3 x Protective case (random colors, don't accept the specified color) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.