Why is Buds 3 better than Sleep A20?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Sleep A20: No
- Water resistance (IPx)IPx5 vs IPx4+25%
- Highest frequency40,000 Hz vs 20,000 Hz2×
- Lowest frequency15 Hz vs 20 Hz+33%
Why is Sleep A20 better than Buds 3?
- Battery life10 h vs 14 h+40%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 10.4 mm | — |
| Number of drivers | 2 | — |
| Lowest frequency | 15 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 6 | — |
| Battery & charging | ||
| Battery life | 10 h | 14 h |
| Battery life with ANC | 6 h | — |
| Total with charging case | 44 h | — |
| Battery capacity | 58 mAh | — |
| Charging time | — | 1.5 h |
| Quick charge (claimed) | 10 min → 7 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| 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 | Yes |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | — | 3 g |
| Protection rating | IP55 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
