feature: Physical buttons control playback and volume, Bluetooth 5.0 and dual-band WiFi. With 8W power, the brand guarantees that it can provide deep bass. The artificial intelligence speaker uses beamforming technology to arrange the six microphones in a circle, allowing the speaker to understand the source of the audio, thereby improving the voice recognition ability. It has WiFi compatible with 2.4 / 5GHz network, and the Mi AI speaker also comes with Bluetooth Mesh gateway technology. Specification: Color: white Design: Classical Speaker: 2 "full frequency Frequency response range: 80Hz-18000Hz (-6dB) Speaker sensitivity: 82dB/m/W Rated impedance: 4 ohms Microphone: 6 CPU: 64-bit Cortex A53 quad-core 1. 2GHz Dual-band WiFi Bluetooth: 5. 0 Support A2DP music playback Rated output power: 8W Power specification: DC 12V 1. 75A Weight: 752g Dimensions: 88.2 x 88.2 x 211.6 mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.