vs
3.0Noise control & calls3.0
2.0Battery3.0
Why is JOY better than Redmi Buds 4?
JOY has no measurable advantages in this pair.
Why is Redmi Buds 4 better than JOY?
- Battery life4 h vs 6 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Semi-open |
| Driver type | Dynamic | Dynamic |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 32 Ω | — |
| Sensitivity | 126 dB | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 4 h | 6 h |
| Total with charging case | 12 h | — |
| Battery capacity | 35 mAh | — |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | — | AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Design & build | ||
| Earbud weight (each) | 3.2 g | — |
| Colours | Purple | — |
| Features | ||
| Hands-free calls | Yes | — |
