Bluetooth 5.4 connectivity (some listings mention 5.3) for faster transmission, lower latency, and stable pairing up to ~10 m.
AI-powered call noise reduction — helps cancel up to 99% of ambient sound for clearer voice calls.
13 mm composite diaphragm drivers deliver immersive 360° surround-like audio with punchy bass and crisp mids/highs.
Battery & Charging：Up to 5 h per earbud and 24 h total with charging case (earbuds: 30 mAh each; case: ~230 mAh)&USB‑C charging port, offering faster, more reliable recharges.
Product description：Lenovo EA220 Wireless Earbuds, Bluetooth 5.3 Headphones Bass Stereo, Ear Buds with Noise Cancelling Mic , Waterproof in Ear Earphones, 24H Playtime for Laptop Pad Phones Sports Workout
