1. Support the PXT graphical programming interface developed by 2. Support WINDOWS, MACOS, IOS, Android and other operating systems 3. The programming environment is based on WEB services, 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, middle school and senior high school colour: black Material: PCB + Acrylic Package Contents: 1 x BBC :bit Development board (random colors, 't accept the specified color) 1 x Battery box (with 2 x AAA batteries) 1 x USB cable (random colors, 't accept the specified color) 1 x Acrylic Protective Shell 1 x Protective case (random colors, 't accept the specified color) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.