Why is RB-EB220 better than B3?
- Battery life6 h vs 5.5 h+9%
- Driver size13 mm vs 10 mm+30%
Why is B3 better than RB-EB220?
B3 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | — | Dynamic |
| Driver size | 13 mm | 10 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 120 dB | 98 dB |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Battery & charging | ||
| Battery life | 6 h | 5.5 h |
| Battery capacity | 30 mAh | — |
| Charging time | 1.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | — |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | — | 50 g |
| Colours | Blue | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
