vs
3.1Noise control & calls4.1
Why is TWS 4G Metal Logo headphones better than K20i?
TWS 4G Metal Logo headphones has no measurable advantages in this pair.
Why is K20i better than TWS 4G Metal Logo headphones?
- Charging time7 h vs 2 h3.5×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | — | 13 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Microphones | — | 2 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | — | 10 h |
| Total with charging case | — | 36 h |
| Battery capacity | 30 mAh | — |
| Charging time | 7 h | 2 h |
| Quick charge (claimed) | — | 10 min → 2 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | — | 3.3 g |
| Protection rating | — | IPX5 |
| Water resistance (IPx) | — | IPx5 |
| Colours | White | Jet Black |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
