Lightweight and comfortable, it supports 200+ voice commands for device management and classroom interaction, with 98% recognition accuracy for true hands-free teaching. Delivering clear audio with a 100Hz–20kHz range, ≥90 dBA SNR, and ≤0.05% distortion, it incorporates intelligent noise cancellation and howling suppression to ensure every word is delivered with clarity and purity. The wide-angle coverage (0°–90° vertical, 120° horizontal) ensures stable signal, while the built-in 4-hour battery recharges via USB or charging case and auto-off when idling, saving energy and simplifying operation.