Feature 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, PHYTHON, MBED C Description board is designed by BBC which aims to help children at or above 7 grade to learn programming better. board has abundant board resources, including a 5 x 5 LED metric dot array, 2 programmable buttons, Compass, USB ports, Bluetooth module etc.. It is only pocket size but very powerful. You can programming, customize or control it as well. size: 13.1 x 8.2 x 2.3 cm Color as shown material:PC+Metal Please note: The color of the development board may be different due to different batches, but the function is the same Package Contents: 1 x v1.5 board 1 x Quick start guide 1 x 1 x Battery Holder 2 x AAA Batteries Only the above package content, other products are not included. Note: Light 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.