vs
2.0Noise control & calls4.8
6.1Battery3.6
Why is SoundForm Bolt True Wireless Earphones better than HA-Z66T?
- Battery life9 h vs 7 h+29%
- Total with charging case28 h vs 23 h+22%
Why is HA-Z66T better than SoundForm Bolt True Wireless Earphones?
HA-Z66T has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Semi-open |
| Driver type | Dynamic | Dynamic |
| Driver size | 6 mm | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Transparency / ambient mode | — | Yes |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 9 h | 7 h |
| Total with charging case | 28 h | 23 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.1 |
| Design & build | ||
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
