vs
7.2Noise control & calls3.0
3.3Battery3.0
Why is LBT-TWS15 better than Redmi Buds 4?
- Active noise cancellingYes · Redmi Buds 4: No
- Charging time1.5 h vs 2 h+33%
Why is Redmi Buds 4 better than LBT-TWS15?
- Battery life5.5 h vs 6 h+9%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Semi-open |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 5.5 h | 6 h |
| Charging time | 1.5 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | AAC, SBC | AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 3.3 g | — |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
