Why is Buds 4 better than RB-F10DE?
- Active noise cancellingYes · RB-F10DE: No
- Battery life11 h vs 7 h+57%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · RB-F10DE: No
- Total with charging case45 h vs 25 h+80%
- Water resistance (IPx)IPx5 vs IPx4+25%
- Charging time1.2 h vs 2.5 h2.1×
Why is RB-F10DE better than Buds 4?
RB-F10DE has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | — | 12 mm |
| Lowest frequency | 15 Hz | — |
| Highest frequency | 40,000 Hz | — |
| Impedance | 18 Ω | — |
| Sensitivity | 38 dB | — |
| Hi-Res Audio | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | 2 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 11 h | 7 h |
| Battery life with ANC | 6 h | — |
| Total with charging case | 45 h | 25 h |
| Charging time | 1.2 h | 2.5 h |
| Quick charge (claimed) | — | 15 min → 1 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | LHDC, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Weight | 49 g | — |
| Earbud weight (each) | — | 8.7 g |
| Protection rating | IP55 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Hands-free calls | — | Yes |








