Anker K20i
form factor semi-in-ear
driver type dynamic
Wireless Yes
bluetooth version 5.3
battery life hours 36
case battery hours 36
water resistance IPX5
50 Overall Score
Price €20
Snapshot
Pros & Cons
Pros
- Strong battery (99th percentile) 99th
- Strong build (92nd percentile) 92nd
- Strong mic (84th percentile) 84th
- Strong connectivity (74th percentile) 74th
Cons
- Below average sound (7th percentile)
- Below average anc (32nd percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | semi-in-ear |
| Wearing Style | semi-in-ear |
| Ear Tips | s, |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 13 |
| Freq Min | 20 |
| Freq Max | 4000 |
| Impedance | 16 |
| Codecs | Ultra Playtime, Semi-In-Ear Comfort, Lightweight, Universal Phone Control, Water Resistant |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.3 |
Earbud Battery
| Battery Life | 36 |
| Charge Time | 0.1666667 |
| Fast Charging | 10 min for 2 hours playback |
Case Battery
| Case Battery | 36 |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
Features
| App | Soundcore |
| Bone Conduction | No |
| Water Resistance | IPX5 |
vs Competition
| Spec | Anker K20i | Soundcore P31i | EarFun Air Pro TW230B | JLab Jbuds Pods ANC | TOZO Crystal Pods | Sony WI-C100 WIC100/B |
|---|---|---|---|---|---|---|
| Form Factor | semi-in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | 5.3 | 6.0 | 5.4 | 5.4 | 5.4 | 5.0 |
| Battery Life Hours | 36 | 10 | 9.5 | 10 | 7 | 25 |
| Case Battery Hours | 36 | 50 | 40 | 56 | 35 | 25 |
| Water Resistance | IPX5 | IP55 | IP55 | IP55 | IPX5 | IPX4 |
| Multipoint | - | - | true | true | true | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Anker K20i | 32 | 84.3 | 92 | 7.4 | 98.6 | 73.3 | 74.2 | 39.2 |
| Soundcore P31i Compare | 90.8 | 97.5 | 92 | 97.4 | 94.6 | 73.3 | 87.6 | 89.8 |
| EarFun Air Pro TW230B Compare | 90.8 | 97.5 | 92 | 90.1 | 88.8 | 73.3 | 93.8 | 89.8 |
| JLab Jbuds Pods ANC Compare | 93.7 | 97.5 | 92 | 80.5 | 96.1 | 73.3 | 97 | 80.7 |
| TOZO Crystal Pods Compare | 93.7 | 92.1 | 92 | 91.5 | 85.7 | 73.3 | 97 | 80.7 |
| Sony WI-C100 WIC100/B Compare | 75.3 | 71.7 | 81.5 | 72.6 | 95.6 | 94.6 | 77.7 | 66 |
Price
Value & Pricing
From €20
Amazon.es 1 offer From €20
We started tracking prices for this product on Jul 15, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
