vs
3.1Noise control & calls3.1
9.1Battery8.1
Why is Bass BS2 Lite TWS better than U20?
- Battery life40 h vs 35 h+14%
- Bluetooth version6 vs 5.4+11%
Why is U20 better than Bass BS2 Lite TWS?
U20 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Sensitivity | — | 108 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 40 h | 35 h |
| Total with charging case | — | 30 h |
| Battery capacity | — | 35 mAh |
| Charging time | 7 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5.4 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Protection rating | IP55 | — |
| Water resistance (IPx) | IPx5 | — |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
