Compact Design:At just 24 x 24 x 17 mm, the ATOM Echo is a tiny yet powerful smart speaker. Versatile Connectivity:With BT capabilities and support for AWS, Baidu, and other cloud platforms, this smart speaker is future-ready. Smart Home Integration:Programmable for voice control, storytelling, and IoT, the enhances your smart home experience. Programmable Potential:for Arduino and ESP-IDF/ADF programming platforms offer endless possibilities for the ATOM Echo's development. User-Friendly Interface:Features an RGB LED for status display and a GROVE extension interface for easy customization. Light and small,Support STT services,Based on ESP32, Support A2DP 2.4G Wi-Fi IEEE 802.11b/g/n,Built-in microphone and speaker,RGB LED status display indication GROVE extension interface,Record and playback Programmable key,Programming platform:for Arduino,ESP-IDF/ADF Applications:BT Speaker,Voice control,IoT Colour:As Shown Material:pc Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 x ATOM 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.