vs
5.0Battery6.3
Why is COPENHAGEN better than Redmi Buds 4 Pro?
- Charging time3 h vs 4 h+33%
Why is Redmi Buds 4 Pro better than COPENHAGEN?
- Battery life8 h vs 9 h+12%
Specifications
Side by side
| Sound | ||
| Fit | Semi-in-ear (open) | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 12 mm | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 32 Ω | — |
| Sensitivity | 115 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 9 h |
| Total with charging case | — | 36 h |
| Charging time | 3 h | 4 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| Design & build | ||
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
