Support the PXT graphical programming interface developed by .Support WINDOWS, MACOS, IOS, Android and other operating .The programming environment is based on WEB services, no need to download additional compilers.Program the computer through USB programming and emulation.The mobile terminal wirelessly writes and emulates the program through Bluetooth. V1.5 version parametersMemory: 256kb Flash 16kb RAMExternal chip: NXP KL26Z 16KB RAMWorking current: 90MAConnection: The interface adopts a flat designI2C: bus sharing (multiplexing) I2C busWireless: 2.4GHZ radio/Bluetooth 4.0Indicator light: noneMicrophone: noneSpeaker: noneSupports a variety of mainstream programming languages including JAVASRIPT, PHYTHON, MBED CApplicable population: primary school, middle school and senior high schoolOperating system: windows, MacOS, IOS, Android, etcProgramming software: javasript, python, mbed C, etcColour: blackMaterial: PCBPackage Contents:1 * BBC Development board (random color, 't accept the specified color)1 * Storage BagOnly 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.