vs
3.1Noise control & calls9.3
Why is SoundForm nano2 better than TAT2139?
- Battery life8 h vs 7 h+14%
- Water resistance (IPx)IPx5 vs IPx4+25%
Why is TAT2139 better than SoundForm nano2?
- Active noise cancellingNo · SoundForm nano2: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | — | 13 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 94 dB |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | 8 h | 7 h |
| Total with charging case | — | 28 h |
| Battery capacity | — | 50 mAh |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Protection rating | IPX5 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Features | ||
| Hands-free calls | — | Yes |
