Features 1. PXT graphical programming interface that supports development 2. Supports WINDOWS, MACOS, IOS, Android and other operating systems 3. The programming environment is based on WEB services, no need to download additional compilers 4. Programming computer through USB programming and simulation 5. The mobile terminal writes and simulates programs wirelessly via Bluetooth. Supports JAVASRIPT, PHYTHON, MBED and other mainstream programming languages. The instruction board was designed by the BBC to help children in grade 7 and above learn programming better. The board has rich board resources, including 5 x 5 LED metric dot matrix, 2 programmable buttons, compass, USB port, Bluetooth module, etc. Pocket-sized but incredibly powerful. You can also program, customize or control it. Dimensions: 13.1 x 8.2 x 2.3 cm Color as shown Material: PC+Metal Please note: The color of the development board may vary from batch to batch, but the functionality 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 contents, other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/- 1-3 cm.