Why is TWS better than C40i?
- Active noise cancellingYes · C40i: No
- Total with charging case36 h vs 21 h+71%
Why is C40i better than TWS?
C40i has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12.2 mm | 12 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 22 Ω |
| Dolby Atmos | Yes | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Microphones | 3 | — |
| Battery & charging | ||
| Battery life | 7 h | 7 h |
| Total with charging case | 36 h | 21 h |
| Charging time | — | 1 h |
| Quick charge (claimed) | — | 10 min → 5 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| Design & build | ||
| Earbud weight (each) | — | 5.8 g |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | Black | Midnight Black, Desert Bronze, Clarity Black |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |








