vs
9.3Noise control & calls2.0
2.9Battery2.2
Why is RZ-B310WDE-K better than Buds 3?
- Active noise cancellingYes · Buds 3: No
- Battery life6 h vs 5 h+20%
- Battery capacity40 mAh vs 35 mAh+14%
Why is Buds 3 better than RZ-B310WDE-K?
Buds 3 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Microphones | — | 2 |
| Battery & charging | ||
| Battery life | 6 h | 5 h |
| Battery life with ANC | 5 h | — |
| Total with charging case | 20 h | 20 h |
| Battery capacity | 40 mAh | 35 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 | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Design & build | ||
| Earbud weight (each) | — | 4.5 g |
| Protection rating | — | IP54 |
| Water resistance (IPx) | — | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | — |
