The Anker Soundcore K20i earbuds deliver powerful bass, clear calls, and long 36-hour playtime with fast charging, all in a lightweight semi-in-ear design. With Bluetooth 5.3, IPX5 water resistance, and full EQ customization via the Soundcore app, they’re built for comfort and music, on the go.
If you want slightly better sound and touch controls at a similar price, the Soundcore R50i is a good step up, but if you prefer an in-ear version with better noise isolation, check out the Soundcore A20i.
Specification
| Product | Anker Soundcore K20i Earbuds |
| Design | Semi-in-ear (no silicone tips) |
| Drivers | 13 mm dynamic drivers with BassUp technology |
| Bluetooth | Bluetooth 5.3 |
| Water Resistance | IPX5 (splash-resistant) |
| Battery (earbuds) | 43 mAh each; up to 6 hours playback per charge |
| Battery (case) | 700 mAh; total up to 36 hours playback with case |
| Fast Charge | 10-minute charge ≈ 2 hours playback |
| Charging Port | USB-C |
| Controls | Touch-sensitive controls (play/pause, track skip, calls, volume); customizable via Soundcore app |
| Call Technology | Dual-mic AI ENC (Environmental Noise Cancelling) for clearer calls |
| Audio Customization | Soundcore app: 22 EQ presets + fully customizable equalizer |
| Special Modes | Low-latency Gaming Mode |
| Included Accessories | Charging case, USB-C cable, user guide |
| Weight (total) | Approx. 1.6 ounces (case + earbuds) — earbuds ~3.3 g each |
| Dimensions (case) | Approx. 2.32 × 1.76 × 1.04 inches |
| Warranty | 24 Month |
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