vs
9.3Noise control & calls4.2
Why is RZ-B310WDE-K better than Rail ANC?
- Active noise cancellingYes · Rail ANC: No
Why is Rail ANC better than RZ-B310WDE-K?
- Total with charging case20 h vs 38 h+90%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Sensitivity | — | 100 dB |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 6 h | — |
| Battery life with ANC | 5 h | — |
| Total with charging case | 20 h | 38 h |
| Battery capacity | 40 mAh | — |
| Quick charge (claimed) | 15 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | — | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Design & build | ||
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | Yes |
