The kit desktop mini Bluetooth smart car V3.0 allows you to build your own smart car robot through the completion of many creative projects and learn to control it with mixly blocks coding. It features functions such as line tracking, obstacle avoidance, cross maze, ultrasonic following, gravity sensing, voice control, control via wireless IR remote and smartphone via Bluetooth. Additionally, it includes a microphone sound module that allows music or other sounds to be played during the smart car's operation. Control from a smartphone is done through the Dekstop Car app for Android and the Keyes BT Car app for iOS. The robot can be powered by 2x 18650 batteries or 4x AA 1.5V batteries (not included).