1. Board-Hippo AI NLU algorithm: The kit is powered by the XMOS XU-316 A1 acoustic audio chip, including natural language understanding algorithms for interference cancellation (IC), echo cancellation, noise suppression, voice-to-noise ratio (VNR) and automatic gain control (AGC) for high-quality voice capture 2. Embrace open source: The board is compatible with popular hardware platforms (for XIAO ESP32S3 (Sense), for Adafruit QT Py) through 12S, and is compatible with for Raspberry Pi, PC through US8 (audio class 2.0 (UAC2)) 3. Onboard RGB LED: The board has a programmable WS2812 RGB LED, supports custom effects and provides a visual interface for your application 4. External power support: The board supports external 5V power supply and can be flexibly applied to different scenarios 5. DFU custom development: The board supports customized same-part updates through DFU-Util Application:Far-Field Voice Control Offline Voice Processing Local Command Processing Custom Wake-Up Words Low Power Voice Offload Industrial Voice Control Voice Recognition and Control for Home Assistant, for Google Assistant, for Amazon Alexa and more The product appearance and printed words may vary depending on the batch, but this does not affect use Colour:Black Material:PCB Package Contents: 1 x ReSpeaker Lite Kit 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.