vs
4.8Noise control & calls9.3
6.2Battery2.8
Why is Live Flex better than RZ-B310WDE-K?
- Battery life8 h vs 6 h+33%
- Total with charging case40 h vs 20 h2×
Why is RZ-B310WDE-K better than Live Flex?
- Active noise cancellingNo · Live Flex: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | — |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 93 Ω | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Microphones | 6 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 8 h | 6 h |
| Battery life with ANC | — | 5 h |
| Total with charging case | 40 h | 20 h |
| Battery capacity | — | 40 mAh |
| Charging time | 2 h | — |
| Quick charge (claimed) | 15 min → 4 h | 15 min → 1 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Companion app | Yes | — |
| Design & build | ||
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Dust protection (IP) | 5 | — |
| Colours | — | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
