and :bit board is designed by BBC which to help children at or above 7 grade to learn programming better. :bit board has abundant board resources, including a 5*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. The latest :bit V2 board comes with a touchable Logo and MEMS microphone on the front. A speaker is added on the back, so all kinds of sounds can be played without external equipment. The gold finger at the bottom adds a gear design to facilitate the user to better fix the alligator clip. In addition, the 2nd generation :bit board also support sleep mode. Users can enter sleep mode by long pressing the reset button, which can reduce power consumption. The most important feature is that the CPU performance of the :bit V2 board is much the V1 version, coupled with more RAM. So :bit V2 allow users to expand more functions and create more . Condition: Type: Logic ICs Types: :bit V2.0 version Processor: Nordic semiconductor nrf52833 Programming software: Makecode, Python Motion sensor: ST LSM303 Working current: 200mA Wireless: 2 4GHZ broadcast/Bluetooth 5.0 RAM: 512kb Flash 128kb RAM External chip: NXP KL27Z 32KB RAM Microphone: MEMS with LED indicator Speaker: Onboard speakers Touch logo: Onboard touchable color: Material:PC+metal Package Contents: 1 x BBC Microbit V2 Development Board Kit(The color of the development board and the shell is random, cannot choose 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.