Compatibility: Designed for the M5 Atom series to seamless integration Voice Recognition: Advanced voice recognition capabilities to enable interactive AI systems for smart home and education applications High-quality audio: Adopts ES8311 mono audio codec, 24-bit resolution, 16KHz to 64KHz sampling rate, supports I2S protocol for high-fidelity sound processing Integrated microphone: Equipped with MEMS microphone MSM381A3729H9BPC, providing a high SNR of ≥ 65 dB, ideal for clear voice capture Powerful output: Includes Class D amplifier, NS4150B and 2014-type cavity speaker, 1W@8Ω, to provide powerful audio output Audio codec: ES8311: 24-bit resolution, using I2S protocol MEMS microphone: MSM381A3729H9BPC, signal-to-noise ratio (SNR): ≥65 dB Power amplifier: NS4150B: Class D power amplifier Speaker: 2014 type cavity speaker: 1W@8Ω Standby current: DC3.3V/3.36mA Working current: DC3.3V/14.84mA Working temperature: 0-40℃ Material: Plastic Color: As shown (The product appearance and printed words depending on the batch, but this does not affect use) Package Contents: 1 x Base 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.